<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>BRINKS CO</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>109696104</cusip>
			<value>39576</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>40414</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>80230</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3515274</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>3515274</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>HORIZON GLOBAL CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>44052W104</cusip>
			<value>4454</value>
			<shrsOrPrnAmt>
				<sshPrnamt>504966</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>504966</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>HUDSON GLOBAL INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>443787106</cusip>
			<value>11579</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>36736</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>46663</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>RIGNET INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>766582100</cusip>
			<value>6305</value>
			<shrsOrPrnAmt>
				<sshPrnamt>247252</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1,2,3</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>247252</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>TRIMAS CORP</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>896215209</cusip>
			<value>20640</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>
