Lamont Research Professor, Lamont-Doherty Earth Observatory, Columbia University
Post-Doctoral Research Fellow, Harvard University
Assistant Professor of Economics, University of Texas at Austin
Professor of Development and Emerging Markets, University of Zurich
Vice President, Operations Policy and Country Services, World Bank
Senior Economist, Development Research Group, World Bank
Professor of Economics, University of Wisconsin, Madison
Economist, IMF
Economic Affairs Officer, United Nations Department of Economic and Social Affairs
Assistant Professor, Institute for Economic and Social Research, Jinan University
