Joseph E. Stiglitz is University Professor at Columbia University, USA, the winner of the 2001 Nobel Memorial Prize in Economics, and a lead author of the 1995 IPCC report, which shared the 2007 Nobel Peace Prize. He was chairman of the U.S. Council of Economic Advisors under President Clinton and Chief Economist and Senior Vice President of the World Bank for 1997-2000. Stiglitz received the John Bates Clark Medal, awarded annually to the American economist under 40 who has made the most significant contribution to the subject. He was a Fulbright Scholar at Cambridge University, UK, held the Drummond Professorship at All Souls College, Oxford, UK, and has also taught at M.I.T, Yale, Stanford and Princeton.
Refet Gurkaynak is Associate Professor of Economics at Bilkent University, Turkey and a CEPR Research Fellow. Prior to his current position he was an economist at the Monetary Affairs Division of the Federal Reserve Board. He does research and lectures internationally at universities and central banks on monetary policy and financial markets.