A look at Elaine Chao, Trump's nominee for Transportation secretary

Britain's Prince Charles poses with Senate Majority Leader Mitch McConnell, R-Ky., and Chao on March 19, 2015, at the U.S. Capitol. MANDEL NGAN, AFP/Getty Images

McConnell and Chao wave to supporters at a victory celebration in Kentucky after McConnell won re-election on Nov. 4, 2014. Jessica Ebelhar, The Courier-Journal

McConnell and Chao wave to supporters after a victory celebration following McConnell's win in the Republican Senate primary on May 20, 2014, in Louisville, Ky. Win McNamee, Getty Images

McConnell and Chao stand on stage ahead of the Republican National Convention on Aug. 26, 2012, in Tampa, Fla. Chip Somodevilla, Getty Images

McConnell and Chao greet supporters after learning he defeated his Democratic challenger during an election night rally on Nov. 4, 2008, in Louisville, Ky. Mark Lyons, Getty Images

Chao is interviewed on the floor of the Republican National Convention at Madison Square Garden in New York on Aug. 31, 2004. JOE CAVARETTA, AP

Bush gestures as he speaks with the media while OMB Director Joshua Bolten, Commerce Secretary Don Evans, Labor Secretary Chao and Treasury Secretary John F. Snow listen at Bush's ranch on Aug. 13, 2003, in Crawford, Texas. Duane A. Laverty, Pool/Getty Images

Chao calls on a reporter during a news conference at the Department of Labor on Oct. 7, 2002, in Washington. Ken Lambert, AP

Secretary of Treasury Paul O'Neill listens to Chao make brief remarks to the press on Jan. 17, 2002, during a Working Group on Retirement Security Protection meeting at the Treasury Department. Shawn Thew, AFP

Chao testifies on Capitol Hill on Feb. 7, 2002, at a Senate hearing on protecting pensions after the Enron collapse. KEN CEDENO, Associated Press

George W. Bush embraces Chao, his new secretary of Labor nominee, alongside trade representative nominee Robert Zoellick during a press conference on Jan. 11, 2001, in Washington. Luke Frazza, AFP

McConnell points to a supporter as he is joined by his Chao during his victory celebration on Nov. 5, 1996, in Louisville, Ky. ED REINKE, Associated Press