<?xml version="1.0" encoding="UTF-8"?>
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Thursday, February 07, 2013 08:54:27 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Thursday, February 07, 2013 11:18:15 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Thursday, February 07, 2013 11:22:52 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 12:45:05 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 01:04:05 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 01:19:27 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 02:05:22 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 02:23:23 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 02:40:06 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 02:47:34 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 03:08:15 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 03:13:16 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 03:25:58 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 03:41:17 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 03:43:33 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 03:51:05 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 03:56:29 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 04:01:25 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 05:31:47 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 05:54:07 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 06:11:37 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 06:28:32 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 07:34:10 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 08:01:11 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 08:34:07 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 08:55:22 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 11:46:13 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Friday, February 08, 2013 12:44:00 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.3.1 on Friday, February 08, 2013 12:58:02 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.9 on Friday, February 08, 2013 01:27:30 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.9 on Friday, February 08, 2013 02:13:25 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.9 on Friday, February 08, 2013 02:54:58 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.9 on Friday, February 08, 2013 03:05:41 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 05:50:49 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 08:21:49 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 09:06:41 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 09:37:28 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 09:44:57 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 09:53:34 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 10:11:19 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 10:25:02 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 10:41:13 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 11:20:25 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 11:25:18 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 11:32:34 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 11:42:26 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Friday, February 08, 2013 11:49:31 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Saturday, February 09, 2013 12:45:13 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 01:35:33 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 03:20:23 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 03:23:33 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 03:29:57 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 03:59:30 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 04:31:04 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.3.2 on Saturday, February 09, 2013 04:46:31 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.3.2 on Saturday, February 09, 2013 04:55:55 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.3.2 on Saturday, February 09, 2013 06:31:59 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.3.2 on Saturday, February 09, 2013 06:37:24 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.3.2 on Saturday, February 09, 2013 06:43:27 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Saturday, February 09, 2013 07:12:13 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Saturday, February 09, 2013 07:26:07 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Saturday, February 09, 2013 04:52:52 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 08:31:33 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 08:54:52 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 09:08:26 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 10:54:11 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 10:55:56 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 04:11:01 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 04:17:53 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 04:58:57 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 06:33:20 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 06:36:35 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 06:53:38 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 07:00:39 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 07:09:00 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 07:20:26 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 07:42:40 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 08:29:43 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 08:46:15 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 09:12:11 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 09:29:02 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 09:31:19 PM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.2.3 by DataTracks on Monday, February 11, 2013 11:27:35 PM -->
<schema targetNamespace="http://www.TouchstoneInvestments.com/20130130" elementFormDefault="qualified" xmlns:cik0000914243="http://www.TouchstoneInvestments.com/20130130" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:rr="http://xbrl.sec.gov/rr/2012-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2012-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric">
<annotation><appinfo>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/DocumentAndEntityInformationElements" id="DocumentAndEntityInformationElements">
<link:definition>010000 - Document - Document And Entity Information {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskReturnSummaryTouchstoneTotalReturnBondFundSummary" id="RiskReturnSummaryTouchstoneTotalReturnBondFundSummary">
<link:definition>020000 - Document - Risk/Return Summary (TOUCHSTONE TOTAL RETURN BOND FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneTotalReturnBondFundSummary" id="ShareholderFeesTouchstoneTotalReturnBondFundSummary">
<link:definition>030000 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneTotalReturnBondFundSummary" id="AnnualFundOperatingExpensesTouchstoneTotalReturnBondFundSummary">
<link:definition>031000 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneTotalReturnBondFundSummaryTransposed" id="ExpenseExampleTouchstoneTotalReturnBondFundSummaryTransposed">
<link:definition>032000 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Expenseexamplenoredemptiontouchstonetotalreturnbondfundsummarytransposed" id="Expenseexamplenoredemptiontouchstonetotalreturnbondfundsummarytransposed">
<link:definition>033000 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Annualtotalreturnstouchstonetotalreturnbondfundsummarybarchartdata" id="Annualtotalreturnstouchstonetotalreturnbondfundsummarybarchartdata">
<link:definition>034000 - Schedule - Annual Total Returns (TOUCHSTONE TOTAL RETURN BOND FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Averageannualtotalreturnstouchstonetotalreturnbondfund" id="Averageannualtotalreturnstouchstonetotalreturnbondfund">
<link:definition>035000 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskReturnDetailDataElements" id="RiskReturnDetailDataElements">
<link:definition>036000 - Disclosure - Risk/Return Detail Data {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneEmergingMarketsEquityFundSummary" id="RiskreturnSummaryTouchstoneEmergingMarketsEquityFundSummary">
<link:definition>04110 - Document - Risk/Return Summary (TOUCHSTONE EMERGING MARKETS EQUITY FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneEmergingMarketsEquityFundSummary" id="ShareholderFeesTouchstoneEmergingMarketsEquityFundSummary">
<link:definition>04111 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneEmergingMarketsEquityFundSummary" id="AnnualFundOperatingExpensesTouchstoneEmergingMarketsEquityFundSummary">
<link:definition>04112 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneEmergingMarketsEquityFundSummary" id="ExpenseExampleTouchstoneEmergingMarketsEquityFundSummary">
<link:definition>04113 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Expenseexamplenoredemptiontouchstoneemergingmarketsequityfundsummary" id="Expenseexamplenoredemptiontouchstoneemergingmarketsequityfundsummary">
<link:definition>04114 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEEMERGINGMARKETSEQUITYFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEEMERGINGMARKETSEQUITYFUNDSUMMARY">
<link:definition>04115 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE EMERGING MARKETS EQUITY FUND SUMMARY )</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Averageannualtotalreturnstouchstoneemergingmarketsequityfundsummary" id="Averageannualtotalreturnstouchstoneemergingmarketsequityfundsummary">
<link:definition>04116 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneEmergingMarketsEquityFundSummary" id="RiskreturnDetailDataTouchstoneEmergingMarketsEquityFundSummary">
<link:definition>04117 - Disclosure - Risk/Return Detail Data (TOUCHSTONE EMERGING MARKETS EQUITY FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneGlobalEquityFundSummary" id="RiskreturnSummaryTouchstoneGlobalEquityFundSummary">
<link:definition>04118 - Document - Risk/Return Summary (TOUCHSTONE GLOBAL EQUITY FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneGlobalEquityFund" id="ShareholderFeesTouchstoneGlobalEquityFund">
<link:definition>04119 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneGlobalEquityFundSummary" id="AnnualFundOperatingExpensesTouchstoneGlobalEquityFundSummary">
<link:definition>04120 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneGlobalEquityFundSummaryTransposed" id="ExpenseExampleTouchstoneGlobalEquityFundSummaryTransposed">
<link:definition>04121 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneGlobalEquityFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneGlobalEquityFundSummaryTransposed">
<link:definition>04122 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEGLOBALEQUITYFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEGLOBALEQUITYFUNDSUMMARY">
<link:definition>04123 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE GLOBAL EQUITY FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneGlobalEquityFundSummaryTransposed" id="AverageAnnualTotalReturnsTouchstoneGlobalEquityFundSummaryTransposed">
<link:definition>04124 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneGlobalEquityFundSummaryElements" id="RiskreturnDetailDataTouchstoneGlobalEquityFundSummaryElements">
<link:definition>04125 - Disclosure - Risk/Return Detail Data (TOUCHSTONE GLOBAL EQUITY FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneGlobalRealEstateFundSummaryUnlabeled" id="RiskreturnSummaryTouchstoneGlobalRealEstateFundSummaryUnlabeled">
<link:definition>04126 - Document - Risk/Return Summary (TOUCHSTONE GLOBAL REAL ESTATE FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneGlobalRealEstateFundSummary" id="ShareholderFeesTouchstoneGlobalRealEstateFundSummary">
<link:definition>04127 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTOUCHSTONEGLOBALREALESTATEFUNDSUMMARY" id="AnnualFundOperatingExpensesTOUCHSTONEGLOBALREALESTATEFUNDSUMMARY">
<link:definition>04128 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneGlobalRealEstateFundSummaryTransposed" id="ExpenseExampleTouchstoneGlobalRealEstateFundSummaryTransposed">
<link:definition>04129 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneGlobalRealEstateFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneGlobalRealEstateFundSummaryTransposed">
<link:definition>04130 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEGLOBALREALESTATEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEGLOBALREALESTATEFUNDSUMMARY">
<link:definition>04131 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE GLOBAL REAL ESTATE FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneGlobalRealEstateFundSummaryTransposed" id="AverageAnnualTotalReturnsTouchstoneGlobalRealEstateFundSummaryTransposed">
<link:definition>04132 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneGlobalRealEstateFundSummaryElements" id="RiskreturnDetailDataTouchstoneGlobalRealEstateFundSummaryElements">
<link:definition>04133 - Disclosure - Risk/Return Detail Data (TOUCHSTONE GLOBAL REAL ESTATE FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneInternationalFixedIncomeFundSummary" id="RiskreturnSummaryTouchstoneInternationalFixedIncomeFundSummary">
<link:definition>04134 - Document - Risk/Return Summary (TOUCHSTONE INTERNATIONAL FIXED INCOME FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneInternationalFixedIncomeFundSummary" id="ShareholderFeesTouchstoneInternationalFixedIncomeFundSummary">
<link:definition>04135 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneInternationalFixedIncomeFundSummary" id="AnnualFundOperatingExpensesTouchstoneInternationalFixedIncomeFundSummary">
<link:definition>04136 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneInternationalFixedIncomeFundSummaryTransposed" id="ExpenseExampleTouchstoneInternationalFixedIncomeFundSummaryTransposed">
<link:definition>04137 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneInternationalFixedIncomeFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneInternationalFixedIncomeFundSummaryTransposed">
<link:definition>04138 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEINTERNATIONALFIXEDINCOMEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEINTERNATIONALFIXEDINCOMEFUNDSUMMARY">
<link:definition>04139 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE INTERNATIONAL FIXED INCOME FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTransposedTouchstoneInternationalFixedIncomeFundProspectusSummary" id="ExpenseExampleNoRedemptionTransposedTouchstoneInternationalFixedIncomeFundProspectusSummary">
<link:definition>04140 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataElementsTouchstoneInternationalFixedIncomeFundSummary" id="RiskreturnDetailDataElementsTouchstoneInternationalFixedIncomeFundSummary">
<link:definition>04141 - Disclosure - Risk/Return Detail Data (TOUCHSTONE INTERNATIONAL FIXED INCOME FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneLargeCapRelativeValueFundSummaryUnlabeled" id="RiskreturnSummaryTouchstoneLargeCapRelativeValueFundSummaryUnlabeled">
<link:definition>04142 - Document - Risk/Return Summary (TOUCHSTONE LARGE CAP RELATIVE VALUE FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneLargeCapRelativeValueFundSummary" id="ShareholderFeesTouchstoneLargeCapRelativeValueFundSummary">
<link:definition>04143 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Annualfundoperatingexpensestouchstonelargecaprelativevaluefundsummary" id="Annualfundoperatingexpensestouchstonelargecaprelativevaluefundsummary">
<link:definition>04144 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneLargeCapRelativeValueFundSummaryTransposed" id="ExpenseExampleTouchstoneLargeCapRelativeValueFundSummaryTransposed">
<link:definition>04145 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneLargeCapRelativeValueFundTransposed" id="ExpenseExampleNoRedemptionTouchstoneLargeCapRelativeValueFundTransposed">
<link:definition>04146 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONELARGECAPRELATIVEVALUEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONELARGECAPRELATIVEVALUEFUNDSUMMARY">
<link:definition>04147 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE LARGE CAP RELATIVE VALUE FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Averageannualtotalreturnstouchstonelargecaprelativevaluefundsummarytransposed" id="Averageannualtotalreturnstouchstonelargecaprelativevaluefundsummarytransposed">
<link:definition>04148 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneLargeCapRelativeValueFundSummaryElements" id="RiskreturnDetailDataTouchstoneLargeCapRelativeValueFundSummaryElements">
<link:definition>04149 - Disclosure - Risk/Return Detail Data (TOUCHSTONE LARGE CAP RELATIVE VALUE FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneMarketNeutralEquityFundSummaryUnlabeled" id="RiskreturnSummaryTouchstoneMarketNeutralEquityFundSummaryUnlabeled">
<link:definition>04150 - Document - Risk/Return Summary (TOUCHSTONE MARKET NEUTRAL EQUITY FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ScheduleShareholderFeesTouchstoneMarketNeutralEquityFund" id="ScheduleShareholderFeesTouchstoneMarketNeutralEquityFund">
<link:definition>04151 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneMarketNeutralEquityFund" id="AnnualFundOperatingExpensesTouchstoneMarketNeutralEquityFund">
<link:definition>04152 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneMarketNeutralEquityFundSummaryTransposed" id="ExpenseExampleTouchstoneMarketNeutralEquityFundSummaryTransposed">
<link:definition>04153 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneMarketNeutralEquityFundTansposed" id="ExpenseExampleNoRedemptionTouchstoneMarketNeutralEquityFundTansposed">
<link:definition>04154 - Schedule - Expense Example, No Redemption {Tansposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEMARKETNEUTRALEQUITYFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEMARKETNEUTRALEQUITYFUNDSUMMARY">
<link:definition>04155 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE MARKET NEUTRAL EQUITY FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneMarketNeutralEquityFundTransposed" id="AverageAnnualTotalReturnsTouchstoneMarketNeutralEquityFundTransposed">
<link:definition>04156 - Schedule - Average Annual Total Returns Touchstone Market Neutral Equity Fund {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneMarketNeutralEquityFundElements" id="RiskreturnDetailDataTouchstoneMarketNeutralEquityFundElements">
<link:definition>04157 - Disclosure - Risk/Return Detail Data (TOUCHSTONE MARKET NEUTRAL EQUITY FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/DocumentRiskreturnSummaryTouchstoneMidCapValueFundSummaryUnlabeled" id="DocumentRiskreturnSummaryTouchstoneMidCapValueFundSummaryUnlabeled">
<link:definition>04158 - Document - Risk/Return Summary (TOUCHSTONE MID CAP VALUE FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ScheduleShareholderFeesTouchstoneMidCapValueFund" id="ScheduleShareholderFeesTouchstoneMidCapValueFund">
<link:definition>04159 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Annualfundoperatingexpensestouchstonemidcapvaluefund" id="Annualfundoperatingexpensestouchstonemidcapvaluefund">
<link:definition>04160 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Expenseexampletouchstonemidcapvaluefundtransposed" id="Expenseexampletouchstonemidcapvaluefundtransposed">
<link:definition>04161 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneMidCapValueFundTansposed" id="ExpenseExampleNoRedemptionTouchstoneMidCapValueFundTansposed">
<link:definition>04162 - Schedule - Expense Example, No Redemption {Tansposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEMIDCAPVALUEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEMIDCAPVALUEFUNDSUMMARY">
<link:definition>04163 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE MID CAP VALUE FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneMidCapValueFundTransposed" id="AverageAnnualTotalReturnsTouchstoneMidCapValueFundTransposed">
<link:definition>04164 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneMidCapValueFundElements" id="RiskreturnDetailDataTouchstoneMidCapValueFundElements">
<link:definition>04165 - Disclosure - Risk/Return Detail Data (TOUCHSTONE MID CAP VALUE FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneSmallCapCoreFund" id="RiskreturnDetailDataTouchstoneSmallCapCoreFund">
<link:definition>04166 - Document - Risk/Return Summary (TOUCHSTONE SMALL CAP CORE FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ScheduleShareholderFeesTouchstoneSmallCapCoreFund" id="ScheduleShareholderFeesTouchstoneSmallCapCoreFund">
<link:definition>04167 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneSmallCapCoreFund" id="AnnualFundOperatingExpensesTouchstoneSmallCapCoreFund">
<link:definition>04168 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneSmallCapCoreFundTransposed" id="ExpenseExampleTouchstoneSmallCapCoreFundTransposed">
<link:definition>04169 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneSmallCapCoreFundTransposed" id="ExpenseExampleNoRedemptionTouchstoneSmallCapCoreFundTransposed">
<link:definition>04170 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONESMALLCAPCOREFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONESMALLCAPCOREFUNDSUMMARY">
<link:definition>04171 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE SMALL CAP CORE FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneSmallCapCoreFundTransposed" id="AverageAnnualTotalReturnsTouchstoneSmallCapCoreFundTransposed">
<link:definition>04172 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneSmallCapCoreFundSummaryElements" id="RiskreturnDetailDataTouchstoneSmallCapCoreFundSummaryElements">
<link:definition>04173 - Disclosure - Risk/Return Detail Data (TOUCHSTONE SMALL CAP CORE FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneFocusedEquityFundUnlabeled" id="RiskreturnSummaryTouchstoneFocusedEquityFundUnlabeled">
<link:definition>04174 - Document - Risk/Return Summary (TOUCHSTONE FOCUSED EQUITY FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Shareholderfeestouchstonefocusedequityfundrolebarchartdata" id="Shareholderfeestouchstonefocusedequityfundrolebarchartdata">
<link:definition>04175 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneFocusedEquityFund" id="AnnualFundOperatingExpensesTouchstoneFocusedEquityFund">
<link:definition>04176 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneFocusedEquityFundSummaryTransposed" id="ExpenseExampleTouchstoneFocusedEquityFundSummaryTransposed">
<link:definition>04177 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneFocusedEquityFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneFocusedEquityFundSummaryTransposed">
<link:definition>04178 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEFOCUSEDEQUITYFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEFOCUSEDEQUITYFUNDSUMMARY">
<link:definition>04179 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE FOCUSED EQUITY FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Averageannualtotalreturnstouchstonefocusedequityfundsummarytransposed" id="Averageannualtotalreturnstouchstonefocusedequityfundsummarytransposed">
<link:definition>04180 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneFocusedEquityFundSummaryElements" id="RiskreturnDetailDataTouchstoneFocusedEquityFundSummaryElements">
<link:definition>04181 - Disclosure - Risk/Return Detail Data (TOUCHSTONE FOCUSED EQUITY FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneMidCapFundSummary" id="RiskreturnSummaryTouchstoneMidCapFundSummary">
<link:definition>04182 - Document - Risk/Return Summary (TOUCHSTONE MID CAP FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneMidCapFundSummary" id="ShareholderFeesTouchstoneMidCapFundSummary">
<link:definition>04183 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneMidCapFundSummary" id="AnnualFundOperatingExpensesTouchstoneMidCapFundSummary">
<link:definition>04184 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneMidCapFundSummaryTransposed" id="ExpenseExampleTouchstoneMidCapFundSummaryTransposed">
<link:definition>04185 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneMidCapFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneMidCapFundSummaryTransposed">
<link:definition>04186 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEMIDCAPFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEMIDCAPFUNDSUMMARY">
<link:definition>04187 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE MID CAP FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneMidCapFundSummaryTransposed" id="AverageAnnualTotalReturnsTouchstoneMidCapFundSummaryTransposed">
<link:definition>04188 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneMidCapFundSummaryElements" id="RiskreturnDetailDataTouchstoneMidCapFundSummaryElements">
<link:definition>04189 - Disclosure - Risk/Return Detail Data (TOUCHSTONE MID CAP FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstonePremiumYieldEquityFundSummary" id="RiskreturnSummaryTouchstonePremiumYieldEquityFundSummary">
<link:definition>04190 - Document - Risk/Return Summary (TOUCHSTONE PREMIUM YIELD EQUITY FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstonePremiumYieldEquityFundSummary" id="ShareholderFeesTouchstonePremiumYieldEquityFundSummary">
<link:definition>04191 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstonePremiumYieldEquityFundSummary" id="AnnualFundOperatingExpensesTouchstonePremiumYieldEquityFundSummary">
<link:definition>04192 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstonePremiumYieldEquityFundSummary" id="ExpenseExampleTouchstonePremiumYieldEquityFundSummary">
<link:definition>04193 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstonePremiumYieldEquityFundSummary" id="ExpenseExampleNoRedemptionTouchstonePremiumYieldEquityFundSummary">
<link:definition>04194 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEPREMIUMYIELDEQUITYFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEPREMIUMYIELDEQUITYFUNDSUMMARY">
<link:definition>04195 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE PREMIUM YIELD EQUITY FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstonePremiumYieldEquityFundSummary" id="AverageAnnualTotalReturnsTouchstonePremiumYieldEquityFundSummary">
<link:definition>04196 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskReturnDetailDataTouchstonePremiumYieldEquityFundSummary" id="RiskReturnDetailDataTouchstonePremiumYieldEquityFundSummary">
<link:definition>04197 - Disclosure - Risk/Return Detail Data (TOUCHSTONE PREMIUM YIELD EQUITY FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskReturnSummaryTouchstoneSandsCapitalSelectGrowthFundSummary" id="RiskReturnSummaryTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04198 - Document - Risk/Return Summary (TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneSandsCapitalSelectGrowthFundSummary" id="ShareholderFeesTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04199 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneSandsCapitalSelectGrowthFundSummary" id="AnnualFundOperatingExpensesTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04200 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneSandsCapitalSelectGrowthFundSummary" id="ExpenseExampleTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04201 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneSandsCapitalSelectGrowthFundSummary" id="ExpenseExampleNoRedemptionTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04202 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONESANDSCAPITALSELECTGROWTHFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONESANDSCAPITALSELECTGROWTHFUNDSUMMARY">
<link:definition>04203 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneSandsCapitalSelectGrowthFundSummary" id="AverageAnnualTotalReturnsTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04204 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskReturnDetailDataTouchstoneSandsCapitalSelectGrowthFundSummary" id="RiskReturnDetailDataTouchstoneSandsCapitalSelectGrowthFundSummary">
<link:definition>04205 - Disclosure - Risk/Return Detail Data (TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneShortDurationFixedIncomeFundUnlabeled" id="RiskreturnSummaryTouchstoneShortDurationFixedIncomeFundUnlabeled">
<link:definition>04206 - Document - Risk/Return Summary (TOUCHSTONE SHORT DURATION FIXED INCOME FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneShortDurationFixedIncomeFund" id="ShareholderFeesTouchstoneShortDurationFixedIncomeFund">
<link:definition>04207 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneShortDurationFixedIncomeFund" id="AnnualFundOperatingExpensesTouchstoneShortDurationFixedIncomeFund">
<link:definition>04208 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneShortDurationFixedIncomeFundTransposed" id="ExpenseExampleTouchstoneShortDurationFixedIncomeFundTransposed">
<link:definition>04209 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONESHORTDURATIONFIXEDINCOMEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONESHORTDURATIONFIXEDINCOMEFUNDSUMMARY">
<link:definition>04210 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE SHORT DURATION FIXED INCOME FUND SUMMARY</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneShortDurationFixedIncomeFundTransposed" id="AverageAnnualTotalReturnsTouchstoneShortDurationFixedIncomeFundTransposed">
<link:definition>04211 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneShortDurationFixedIncomeFundElements" id="RiskreturnDetailDataTouchstoneShortDurationFixedIncomeFundElements">
<link:definition>04212 - Disclosure - Risk/Return Detail Data (TOUCHSTONE SHORT DURATION FIXED INCOME FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneSmallCapValueFundUnlabeled" id="RiskreturnSummaryTouchstoneSmallCapValueFundUnlabeled">
<link:definition>04213 - Document - Risk/Return Summary (TOUCHSTONE SMALL CAP VALUE FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneSmallCapValueFundSummary" id="ShareholderFeesTouchstoneSmallCapValueFundSummary">
<link:definition>04214 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneSmallCapValueFund" id="AnnualFundOperatingExpensesTouchstoneSmallCapValueFund">
<link:definition>04215 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneSmallCapValueFundSummaryTransposed" id="ExpenseExampleTouchstoneSmallCapValueFundSummaryTransposed">
<link:definition>04216 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneSmallCapValueFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneSmallCapValueFundSummaryTransposed">
<link:definition>04217 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONESMALLCAPVALUEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONESMALLCAPVALUEFUNDSUMMARY">
<link:definition>04218 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE SMALL CAP VALUE FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneSmallCapValueFundSummaryTransposedbarchartdata" id="AverageAnnualTotalReturnsTouchstoneSmallCapValueFundSummaryTransposedbarchartdata">
<link:definition>04219 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneSmallCapValueFundSummaryElements" id="RiskreturnDetailDataTouchstoneSmallCapValueFundSummaryElements">
<link:definition>04220 - Disclosure - Risk/Return Detail Data (TOUCHSTONE SMALL CAP VALUE FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/Riskreturnsummarytouchstoneultrashortdurationfixedincomefundsummaryunlabeled" id="Riskreturnsummarytouchstoneultrashortdurationfixedincomefundsummaryunlabeled">
<link:definition>04221 - Document - Risk/Return Summary (TOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneUltraShortDurationFixedIncomeFundSummary" id="ShareholderFeesTouchstoneUltraShortDurationFixedIncomeFundSummary">
<link:definition>04222 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneUltraShortDurationFixedIncomeFundSummary" id="AnnualFundOperatingExpensesTouchstoneUltraShortDurationFixedIncomeFundSummary">
<link:definition>04223 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneUltraShortDurationFixedIncomeFundSummaryTransposed" id="ExpenseExampleTouchstoneUltraShortDurationFixedIncomeFundSummaryTransposed">
<link:definition>04224 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneUltraShortDurationFixedIncomeFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneUltraShortDurationFixedIncomeFundSummaryTransposed">
<link:definition>04225 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEULTRASHORTDURATIONFIXEDINCOMEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEULTRASHORTDURATIONFIXEDINCOMEFUNDSUMMARY">
<link:definition>04226 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneUltraShortDurationFixedIncomeFundSummaryTransposed" id="AverageAnnualTotalReturnsTouchstoneUltraShortDurationFixedIncomeFundSummaryTransposed">
<link:definition>04227 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneUltraShortDurationFixedIncomeFundSummaryElements" id="RiskreturnDetailDataTouchstoneUltraShortDurationFixedIncomeFundSummaryElements">
<link:definition>04228 - Disclosure - Risk/Return Detail Data (TOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnSummaryTouchstoneMergerArbitrageFundSummaryUnlabeled" id="RiskreturnSummaryTouchstoneMergerArbitrageFundSummaryUnlabeled">
<link:definition>04229 - Document - Risk/Return Summary (TOUCHSTONE MERGER ARBITRAGE FUND SUMMARY) {Unlabeled}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ShareholderFeesTouchstoneMergerArbitrageFundSummary" id="ShareholderFeesTouchstoneMergerArbitrageFundSummary">
<link:definition>04230 - Schedule - Shareholder Fees</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualFundOperatingExpensesTouchstoneMergerArbitrageFundSummary" id="AnnualFundOperatingExpensesTouchstoneMergerArbitrageFundSummary">
<link:definition>04231 - Schedule - Annual Fund Operating Expenses</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleTouchstoneMergerArbitrageFundSummaryTransposed" id="ExpenseExampleTouchstoneMergerArbitrageFundSummaryTransposed">
<link:definition>04232 - Schedule - Expense Example</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemptionTouchstoneMergerArbitrageFundSummaryTransposed" id="ExpenseExampleNoRedemptionTouchstoneMergerArbitrageFundSummaryTransposed">
<link:definition>04233 - Schedule - Expense Example, No Redemption</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AnnualTotalReturnsBarChartTOUCHSTONEMERGERARBITRAGEFUNDSUMMARY" id="AnnualTotalReturnsBarChartTOUCHSTONEMERGERARBITRAGEFUNDSUMMARY">
<link:definition>04234 - Schedule - Annual Total Returns Bar Chart (TOUCHSTONE MERGER ARBITRAGE FUND SUMMARY)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/AverageAnnualTotalReturnsTouchstoneMergerArbitrageFundSummaryTransposed" id="AverageAnnualTotalReturnsTouchstoneMergerArbitrageFundSummaryTransposed">
<link:definition>04235 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.TouchstoneInvestments.com/role/RiskreturnDetailDataTouchstoneMergerArbitrageFundSummaryElements" id="RiskreturnDetailDataTouchstoneMergerArbitrageFundSummaryElements">
<link:definition>04236 - Disclosure - Risk/Return Detail Data (TOUCHSTONE MERGER ARBITRAGE FUND SUMMARY) {Elements}</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:linkbaseRef xlink:type="simple" xlink:href="cik0000914243-20130130_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="cik0000914243-20130130_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="cik0000914243-20130130_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="cik0000914243-20130130_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
</appinfo></annotation>
<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
<import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
<import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/rr/2012-01-31" schemaLocation="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd"/>
<import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
<import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
<element name="RiskReturnSummaryAbstract" id="cik0000914243_RiskReturnSummaryAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneTotalReturnBondFundProspectusSummaryMember" id="cik0000914243_TouchstoneTotalReturnBondFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneEmergingMarketsEquityFundProspectusSummaryMember" id="cik0000914243_TouchstoneEmergingMarketsEquityFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneGlobalEquityFundProspectusSummaryMember" id="cik0000914243_TouchstoneGlobalEquityFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneGlobalRealEstateFundSummaryProspectusSummaryMember" id="cik0000914243_TouchstoneGlobalRealEstateFundSummaryProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneInternationalFixedIncomeFundProspectusSummaryMember" id="cik0000914243_TouchstoneInternationalFixedIncomeFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneLargeCapRelativeValueFundProspectusSummaryMember" id="cik0000914243_TouchstoneLargeCapRelativeValueFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneSmallCapCoreFundSummaryMember" id="cik0000914243_TouchstoneSmallCapCoreFundSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneSmallCapCoreFundMember" id="cik0000914243_TouchstoneSmallCapCoreFundMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneFocusedEquityFundProspectusSummaryMember" id="cik0000914243_TouchstoneFocusedEquityFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneMidCapFundProspectusSummaryMember" id="cik0000914243_TouchstoneMidCapFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstonePremiumYieldEquityFundProspectusSummaryMember" id="cik0000914243_TouchstonePremiumYieldEquityFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneSandsCapitalSelectGrowthFundProspectusSummaryMember" id="cik0000914243_TouchstoneSandsCapitalSelectGrowthFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneShortDurationFixedIncomeFundProspectusSummaryMember" id="cik0000914243_TouchstoneShortDurationFixedIncomeFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneSmallCapValueFundProspectusSummaryMember" id="cik0000914243_TouchstoneSmallCapValueFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneUltraShortDurationFixedIncomeFundProspectusSummaryMember" id="cik0000914243_TouchstoneUltraShortDurationFixedIncomeFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneMergerArbitrageFundProspectusSummaryMember" id="cik0000914243_TouchstoneMergerArbitrageFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026604Member" id="cik0000914243_S000026604Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026595Member" id="cik0000914243_S000026595Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026602Member" id="cik0000914243_S000026602Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026599Member" id="cik0000914243_S000026599Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneInternationalFixedIncomeFundSummaryMember" id="cik0000914243_TouchstoneInternationalFixedIncomeFundSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026600Member" id="cik0000914243_S000026600Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026603Member" id="cik0000914243_S000026603Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026598Member" id="cik0000914243_S000026598Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026601Member" id="cik0000914243_S000026601Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000027231Member" id="cik0000914243_S000027231Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>

<element name="S000019681Member" id="cik0000914243_S000019681Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000005840Member" id="cik0000914243_S000005840Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000005841Member" id="cik0000914243_S000005841Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000006456Member" id="cik0000914243_S000006456Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000006457Member" id="cik0000914243_S000006457Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000033560Member" id="cik0000914243_S000033560Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079919Member" id="cik0000914243_C000079919Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079920Member" id="cik0000914243_C000079920Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079921Member" id="cik0000914243_C000079921Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079922Member" id="cik0000914243_C000079922Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079883Member" id="cik0000914243_C000079883Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079884Member" id="cik0000914243_C000079884Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079885Member" id="cik0000914243_C000079885Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079886Member" id="cik0000914243_C000079886Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079911Member" id="cik0000914243_C000079911Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079912Member" id="cik0000914243_C000079912Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079913Member" id="cik0000914243_C000079913Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079914Member" id="cik0000914243_C000079914Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079899Member" id="cik0000914243_C000079899Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079900Member" id="cik0000914243_C000079900Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079901Member" id="cik0000914243_C000079901Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079902Member" id="cik0000914243_C000079902Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079887Member" id="cik0000914243_C000079887Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079888Member" id="cik0000914243_C000079888Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079889Member" id="cik0000914243_C000079889Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079890Member" id="cik0000914243_C000079890Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079903Member" id="cik0000914243_C000079903Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079904Member" id="cik0000914243_C000079904Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079905Member" id="cik0000914243_C000079905Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079906Member" id="cik0000914243_C000079906Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079915Member" id="cik0000914243_C000079915Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079916Member" id="cik0000914243_C000079916Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079917Member" id="cik0000914243_C000079917Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079898Member" id="cik0000914243_C000079898Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079895Member" id="cik0000914243_C000079895Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079896Member" id="cik0000914243_C000079896Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079897Member" id="cik0000914243_C000079897Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079907Member" id="cik0000914243_C000079907Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079908Member" id="cik0000914243_C000079908Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079909Member" id="cik0000914243_C000079909Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000079910Member" id="cik0000914243_C000079910Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000082193Member" id="cik0000914243_C000082193Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000082194Member" id="cik0000914243_C000082194Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000082195Member" id="cik0000914243_C000082195Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000082196Member" id="cik0000914243_C000082196Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000048891Member" id="cik0000914243_C000048891Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000048892Member" id="cik0000914243_C000048892Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000016016Member" id="cik0000914243_C000016016Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000039629Member" id="cik0000914243_C000039629Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000112484Member" id="cik0000914243_C000112484Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000055086Member" id="cik0000914243_C000055086Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000055087Member" id="cik0000914243_C000055087Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000067757Member" id="cik0000914243_C000067757Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000093498Member" id="cik0000914243_C000093498Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000093499Member" id="cik0000914243_C000093499Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000016013Member" id="cik0000914243_C000016013Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000016014Member" id="cik0000914243_C000016014Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000076798Member" id="cik0000914243_C000076798Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000016015Member" id="cik0000914243_C000016015Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000051266Member" id="cik0000914243_C000051266Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000051267Member" id="cik0000914243_C000051267Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000099303Member" id="cik0000914243_C000099303Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000099304Member" id="cik0000914243_C000099304Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000109425Member" id="cik0000914243_C000109425Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000109426Member" id="cik0000914243_C000109426Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000109427Member" id="cik0000914243_C000109427Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000017655Member" id="cik0000914243_C000017655Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000109428Member" id="cik0000914243_C000109428Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000103037Member" id="cik0000914243_C000103037Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000103038Member" id="cik0000914243_C000103038Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000103039Member" id="cik0000914243_C000103039Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="C000103040Member" id="cik0000914243_C000103040Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BarclaysCapitalAggregateBondIndexMember" id="cik0000914243_BarclaysCapitalAggregateBondIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MsciEmergingMarketsIndexMember" id="cik0000914243_MsciEmergingMarketsIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MsciAllCountryWorldIndexMember" id="cik0000914243_MsciAllCountryWorldIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="FtseErpanareitDevelopedIndexMember" id="cik0000914243_FtseErpanareitDevelopedIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000026596Member" id="cik0000914243_S000026596Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CitigroupWorldGovernmentBondIndexExU.S.Member" id="cik0000914243_CitigroupWorldGovernmentBondIndexExU.S.Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="Russell1000ValueIndexMember" id="cik0000914243_Russell1000ValueIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneMarketNeutralEquityFundMember" id="cik0000914243_TouchstoneMarketNeutralEquityFundMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="Citigroup3-MonthTreasuryBillIndexMember" id="cik0000914243_Citigroup3-MonthTreasuryBillIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TouchstoneMidCapValueFundProspectusSummaryMember" id="cik0000914243_TouchstoneMidCapValueFundProspectusSummaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RussellMidcapValueIndexMember" id="cik0000914243_RussellMidcapValueIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="Russell2000IndexMember" id="cik0000914243_Russell2000IndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="Russell3000IndexMember" id="cik0000914243_Russell3000IndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="S000005842Member" id="cik0000914243_S000005842Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>

<element name="Russell3000ValueIndexMember" id="cik0000914243_Russell3000ValueIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DowJonesUsSelectDividendIndexMember" id="cik0000914243_DowJonesUsSelectDividendIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="Russell1000GrowthIndexMember" id="cik0000914243_Russell1000GrowthIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BarclaysCapital1-3YearU.S.TreasuryIndexMember" id="cik0000914243_BarclaysCapital1-3YearU.S.TreasuryIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="Russell2000ValueIndexMember" id="cik0000914243_Russell2000ValueIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BoaMerrillLynchThree-MonthU.S.TreasuryBillIndexMember" id="cik0000914243_BoaMerrillLynchThree-MonthU.S.TreasuryBillIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BoaMerrillLynch1-YearTreasuryNoteIndexMember" id="cik0000914243_BoaMerrillLynch1-YearTreasuryNoteIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RussellMidcapIndexMember" id="cik0000914243_RussellMidcapIndexMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
