Like everyone holding high-level Washington positions, he's a consummate insider. He started early.
At age 12, he did political canvassing for Gene McCarthy (D. MN). He worked briefly for Rep. Bella Abzug (D. NY). He was Rep. Joe Moakley's (D. MA) legislative assistant.
He was Speaker Tip O'Neil's (D. MA) senior policy advisor. He was an attorney in private practice. In 1993, he was Clinton's Special Assistant. He served on his National Security Council.
In 1994, he was Associate Director for Legislative Affairs and Deputy Office of Management and Budget director. He headed OMB twice from 1998 - 2001 and from 2010 - 2012.
In 2009 and 2010, he was First Deputy Secretary of State for Management Resources.
From 2001 - 2006, he was New York University executive vice president.
From 2006 - 2009, he was Citi Global Wealth Management (GWM) managing director and Citi Alternative Investments (CAI) CEO.
CAI specializes in proprietary trading. It manages private client portfolios and investment funds. They include hedge funds, private equity funds, real estate ones, and various hedge investments globally.