Joseph E. Stiglitz is a Nobel Prize winning economist and the best-selling author of The Great Divide, Rewriting the Rules of the American Economy, The Price of Inequality, Freefall: America, Free Markets, and the Sinking of the World Economy, and Globalization and Its Discontents. He is a columnist for the New York Times and Project Syndicate and has written for Vanity Fair, Politico, The Atlantic, and Harper s. He teaches at Columbia University and lives in New York City.Jeffrey D Sachs is Director of The Earth Institute, Quetelet Professor of Sustainable Development, and Professor of Health Policy and Management at Columbia University. One of the most famous development economists in the world, Prof. Sachs has been Advisor to several governments in Asia, Africa, Latin America, Eastern Europe, and the former Soviet Union. He was named one of the 100 most infl uential people in the world by "Time "magazine in 2004 and 2005. Currently Special Advisor to United Nations Secretary-General Ban Kimoon, he was previously Director of the UN Millennium Project and Special Advisor to UN Secretary-General Kofi Annan on the Millennium Development Goals. He was awarded the Padma Bhushan in 2007. He is author of the bestseller "The End of Poverty "(2006) and "Common Wealth "(2008), and co-author of "Macroeconomics in the Global Economy "(1993), and co-editor of "India in the Era of Economic Reforms "(1999).