<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>BRINKS CO</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>109696104</cusip>
			<value>42287</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1465244</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>1465244</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>BROADSOFT INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>11133B409</cusip>
			<value>47698</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1348927</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>1348927</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>GP STRATEGIES CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>36225V104</cusip>
			<value>88294</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3516274</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>3516274</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>HUDSON GLOBAL INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>443787106</cusip>
			<value>13579</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4650189</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>4650189</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ICF INTL INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>44925C103</cusip>
			<value>42986</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1208835</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>1208835</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>INNERWORKINGS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>45773Y105</cusip>
			<value>55995</value>
			<shrsOrPrnAmt>
				<sshPrnamt>7466053</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>7466053</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>MTS SYS CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>553777103</cusip>
			<value>3912</value>
			<shrsOrPrnAmt>
				<sshPrnamt>61700</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>61700</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PERFORMANCE SPORTS GROUP LTD</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>71377G100</cusip>
			<value>9161</value>
			<shrsOrPrnAmt>
				<sshPrnamt>951289</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>951289</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>TANGOE INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>87582Y108</cusip>
			<value>1646</value>
			<shrsOrPrnAmt>
				<sshPrnamt>196162</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>196162</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>TRIMAS CORP</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>896215209</cusip>
			<value>23544</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1262415</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>1262415</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
