An American politician and the 25th and current White House Chief of Staff. Lew previously served as Director of the Office of Management and Budget in the Clinton and Obama Administrations, and is a Democrat. Born in New York City, New York, Lew is a graduate of Harvard College and Georgetown University Law Center. Lew began his career as a legislative assistant to Representative Joe Moakley and as a senior policy adviser to former House Speaker Tip O'Neill. Lew then worked as an attorney in private practise before working as a deputy in Boston's office of management and budget. In 1993, he began work for the Clinton Administration as Special Assistant to the President. In 1994 Lew served as Associate Director for Legislative Affairs and Deputy Director of the Office of Management and Budget, where he served a Director of that agency from 1998 to 2001 and from 2010 to 2012. Lew later served as the first Deputy Secretary of State for Management and Resources, from 2009 to 2010.

On January 10, 2013, Lew was nominated as the replacement for retiring Treasury Secretary Timothy Geithner, to serve in President Barack Obama's second term.