Stephen M. Walt is the Robert and Renée Belfer Professor of International Affairs at the Harvard Kennedy School of Government, where he served as Academic Dean from 2002 to 2006. He previously taught at Princeton and at the University of Chicago, where he was Master of the Social Sciences Collegiate Division and Deputy Dean of Social Sciences. He received his B.A. in International Relations from Stanford and his M.A. and Ph.D. from the University of California, Berkeley. He is currently a contributing editor at Foreign Policy magazine and co-editor of the Cornell Studies in Security Affairs book series. Professor Walt was elected a Fellow of the American Academy of Arts and Sciences in May 2005 and received the International Studies Association’s Distinguished Senior Scholar award in 2014. His books include The Origins of Alliances, (Cornell University Press, 1987) which received the 1988 Edgar S. Furniss National Security Book Award, Revolution and War (Cornell, 1996) and Taming American Power: The Global Response to U.S. Primacy (W.W. Norton, 2005) which was a finalist for the Lionel Gelber International Affairs Book Award and the Arthur Ross Book Prize. His book The Israel Lobby and US Foreign Policy (co-authored with John J. Mearsheimer) was a New York Times best-seller and has been translated into more than twenty foreign languages. His latest book is The Hell of Good Intentions: America’s Foreign Policy Elite and the Decline of US Primacy , published by Farrar, Straus & Giroux in October 2018. His weekly Foreign Policy column can be found at http://www.foreignpolicy.com/voices/walt.