1975, BSc, Massachusetts Institute of Technology; 1982, PhD, Harvard. 1983, Tenured Faculty, Harvard University. During the past two decades, has served in a series of senior policy positions, including: Vice-President, Development Economics and Chief Economist, World Bank; Undersecretary of the Treasury for International Affairs. 1999-2001, Secretary of the Treasury of the United States; 2009-11, Director, National Economic Council, Obama Administration. Currently, President Emeritus and Charles W. Eliot University Professor, Harvard University. Recipient, awards and honours, including: first social scientist ever to receive the annual Alan T. Waterman Award, National Science Foundation (NSF) (1987); John Bates Clark Medal (1993), given every two years to the outstanding American economist under the age of 40.