Warsh, who had been a banker for Morgan Stanley and then an economics adviser in the Bush White House, took on the role of ambassador to Wall Street. When CEOs called the Fed, they often called Warsh first.
Next he'll help Ben Bernanke make the most delicate of decisions: when to raise interest rates.
Family: Warsh is married to Jane Lauder, a board member and senior executive of (and heir to) the Estée Lauder Cos.
NEXT: Marissa Mayer