Winner of the 1998 Nobel Prize in Economic for his work on welfare economics, Amartya Sen is Thomas W. Lamont University Professor, and Professor of Economics and Philosophy, at Harvard University. He has served as President of the Econometric Society, the Indian Economic Association, the American Economic Association and the International Economic Association. He was formerly Honorary President of OXFAM and is now its Honorary Advisor. Born in Santiniketan, India, Amartya Sen is an Indian citizen. He studied at Presidency College in Calcutta, India, and at Trinity College, Cambridge. He was Lamont University Professor at Harvard also earlier, from1988–1998, and previous to that he was the Drummond Professor of Political Economy at Oxford University, and a Fellow of All Souls College (he is now a Distinguished Fellow of All Souls). Prior to that he was Professor of Economics at Delhi University and at the London School of Economics.