Jeffrey G. Williamson is the Laird Bell Professor of Economics, emeritus, Harvard University, and Honorary Fellow, Department of Economics, University of Wisconsin-Madison. Professor Williamson received his PhD from Stanford University in 1961, was a member of the UW-Madison faculty 1963-1983 and the Harvard faculty 1983-2008. He is now a Madison resident. The author of about twenty five books and almost two hundred scholarly articles in economic history, international economics and economic development, Williamson has served as President of the Economic History Association (1994-1995), Chairman of the Harvard Economics Department (1997-2000), and Master of Harvard's Mather House (1986-1993). His most recent books are: Trade and Poverty Since 1750 (forthcoming); Globalization and the Poor Periphery Before 1950 (Michigan Institute of Technology, 2006); Global Migration and the World Economy (MIT, 2005, with T. Hatton); and Globalization in Historical Perspective (Chicago 2002, ed. with M. Bordo and A. Taylor). He has had visiting appointments at the Australian National University, Cambridge University, Carlos III University, University of Copenhagen, European University Institute, University of Groningen, Institute for Applied Systems Analysis, Kiel Institute of World Economics, Osaka Gakuin University, University of the Philippines, Stanford University, and Stockholm School of Economics. Williamson also has had long associations with the World Bank, the International Monetary Fund and the Inter-American Development Bank as a visiting research fellow and consultant.