Robert Jervis (Ph.D., California at Berkeley, 1968) is the Adlai E. Stevenson Professor of International Politics and has been a member of the Columbia political science department since 1980. He has also held professorial appointments at the University of California at Los Angeles (1974-1980) and Harvard University (1968-1974). In 2000-2001, he served as President of the American Political Science Association. His current research focuses on political psychology, theories of international politics, and complexity in social and political systems. He has written books on signaling in international politics. national security policy, and intelligence. Much of his work draws on other disciplines, mainly biology, psychology, and history. Professor Jervis is co-editor of the "Cornell Studies in Security Affairs," a series published by Cornell University Press, and a member of numerous editorial review boards for scholarly journals. His publications include Perception and Misperception in International Politics, The Meaning of the Nuclear Revolution, System Effects: Complexity in Political and Social Life, American Foreign Policy in a New Era, and Why Intelligence Fails: Lessons from the Fall of the Shah and Iraqi WMD, and several edited volumes and numerous articles in scholarly journals.