That's not who he is. He's a serious guy and a very good businessman." He cites Mnuchin's success acquiring and reviving IndyMac, a notorious failed lender that was renamed OneWest. The bank represented a huge payday for Mnuchin and fellow investors, who acquired it for $1.5 billion in 2009 amid the financial crisis and then collected $1.9 billion in dividends before selling it to CIT Group in July 2014 in a $3.4 billion deal.