The WSF team is proud to announce that Stephen Walt, Robert and Renée Belfer professor of International Relations at Harvard University will be a speaker at Warsaw Security Forum 2015. He has been a Resident Associate of the Carnegie Endowment for Peace and a Guest Scholar at the Brookings Institution, and he has also served as a consultant for the Institute of Defense Analyses, the Center for Naval Analyses, and the National Defense University. Professor Walt is the author of The Origins of Alliances (1987), which received the 1988 Edgar S. Furniss National Security Book Award. He is also the author of Revolution and War (1996), Taming American Power: The Global Response to U.S. Primacy (2005), and, with co-author J.J. Mearsheimer, The Israel Lobby (2007).