Andrew G. Biggs, Ph.D., is a resident scholar at the American Enterprise Institute in Washington, DC. Prior to joining AEI he was the principal deputy commissioner of the Social Security Administration (SSA), where he oversaw SSA's policy research efforts and led the agency's participation in the Social Security Trustees working group. In 2005 he worked on Social Security reform at the National Economic Council and in 2001 was on the staff of the President's Commission to Strengthen Social Security. Andrew’s work at AEI focuses on Social Security reform, state and local government pensions, and comparisons of public and private sector compensation. His work has appeared in academic publications as well as outlets such as the Wall Street Journal, New York Times and Washington Post, and he has testified before Congress on numerous occasions. He holds a Bachelors degree from the Queen's University of Belfast, Masters degrees from Cambridge University and the University of London and a Ph.D. from the London School of Economics.