<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>NewStar Financial Inc.</nameOfIssuer>
			<titleOfClass>Common</titleOfClass>
			<cusip>65251F105</cusip>
			<value>111886</value>
			<shrsOrPrnAmt>
				<sshPrnamt>9538415</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<otherManager>N/A</otherManager>
			<votingAuthority>
				<Sole>9538415</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>United Community Banks, Inc.</nameOfIssuer>
			<titleOfClass>Common</titleOfClass>
			<cusip>90984P303</cusip>
			<value>194465</value>
			<shrsOrPrnAmt>
				<sshPrnamt>10300047</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<otherManager>N/A</otherManager>
			<votingAuthority>
				<Sole>3273323</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>Enstar Group Ltd.</nameOfIssuer>
			<titleOfClass>Common</titleOfClass>
			<cusip>G3075P101</cusip>
			<value>101933</value>
			<shrsOrPrnAmt>
				<sshPrnamt>718544</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<otherManager>N/A</otherManager>
			<votingAuthority>
				<Sole>718544</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
