Former Assistant Professor of Economics, Graduate School of Business, University of Chicago. Currently, John Zwaanstra Professor of International Studies and of Economics, Harvard University. Research focuses on international finance and macroeconomics. Former Member, Eminent Persons Advisory Group on G-20 Matters, India's Ministry of Finance. Visiting Scholar, Federal Reserve Bank of Boston. Member, Economic Advisory Panel, Federal Reserve Bank of New York. Economic Adviser to the Chief Minister of Kerala state (India). Managing Editor, Review of Economic Studies. Research Associate, National Bureau of Economic Research (NBER) for the programmes in Economic Fluctuations and Growth, International Finance and Macroeconomics, and Monetary Economics. Young Global Leader, World Economic Forum (2011). Co-Editor, Handbook of International Economics. Economic Counsellor and Director, International Monetary Fund, effective January 3, 2019.