1. Steven Terner Mnuchin was born Dec. 21, 1962, in New York, to Elaine Terner and Robert Mnuchin, who spent his entire Wall Street career at Goldman Sachs and later became an art dealer.

2. Mnuchin is divorced and has three children. He is engaged to Louise Linton, a Scottish actress.

3. Both Mnuchin and Linton appeared briefly in "Rules Don't Apply," a 2016 movie starring Warren Beatty.

4. Between 1997 and 2008, Mnuchin made 35 donations to various Democratic politicians and 11 to Republican candidates, according to campaign finance records held by the Center for Responsive Politics. "I have given to Democrats in the past. I've always believed in supporting the best candidate at the time," Mnuchin has said.

5. Mnuchin graduated in 1985 from Yale University, where he was publisher of the Yale Daily News and a member of the elite secret society Skull and Bones.

6. Mnuchin worked at Goldman Sachs for 17 years, becoming a partner in 1994 before leaving in 2002. During his post-Goldman career, he was hired to run a credit fund set up by billionaire George Soros.

7. In 2006, partnering with Soros, Mnuchin bought a DreamWorks film library and financed movies at 20th Century Fox. One such movie, "Avatar," became the highest-grossing film of all time.

8. Mnuchin and other investors bought failed housing lender IndyMac in 2009 for about $1.6 billion. Mnuchin and other investors sold the bank, renamed OneWest, to CIT Group for $3.4 billion in 2015.

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9. In April 2016, Mnuchin became President-elect Donald Trump's national finance chairman. "Nobody's going to be like, 'Well, why did he do this?' if I end up in the administration," Mnuchin has said about supporting Trump.