Age: 50

Employment: Economics professor at Princeton University, 1987-present; assistant secretary for economic policy and chief economist at the U.S. Treasury Department, 2009-10; chief economist at the U.S. Labor Department, 1994-95.

Education: Bachelor's degree from Cornell University's School of Industrial and Labor Relations, 1983; master's in economics from Harvard University, 1985; Ph.D. in economics from Harvard, 1987.

Books: Author of "What Makes a Terrorist: Economics and the Roots of Terrorism" (2007) and co-author of "Myth and Measurement: The New Economics of the Minimum Wage" (1995).

Family: He is married to Lisa Simon Krueger and has two children, Benjamin and Sydney.