PhD in Economics, London School of Economics. Former Professor of Economics, Delhi School of Economics; 1992, founded and Executive Director, Centre for Development Economics. Former visiting positions: Institute for Advanced Study, Princeton, and London School of Economics. Former Visiting Professor: Harvard, Princeton and MIT. Former: Founding Member, Madras School of Economics; Chief Economic Adviser, Ministry of Finance, Government of India. With Cornell University: former Chairman, Department of Economics; former Director, Center for Analytic Economics; currently on leave from position as Professor of Economics and C. Marks Professor of International Studies. Since 2012, Senior Vice-President, Development Economics and Chief Economist, World Bank. Member of boards and committees. Has advised the ILO, World Bank, Reserve Bank of India. Author. Editor, Social Choice and Welfare journal. Member, past or present, of numerous editorial boards. Recipient of numerous awards.