Dr. Mark L. Haas

Dr. Mark L. Haas is a Professor of Political Science at Duquesne University in Pittsburgh. He formerly was a National Security Fellow at the Olin Institute for Strategic Studies and an International Security Fellow at the Belfer Center for Science and International Affairs, both at Harvard University. Haas received his Ph.D. in political science from the University of Virginia and his B.A. in political science, economics, and history from Duke University. He is the author of The Geriatric Peace: Population Aging and the Decline of War(Oxford University Press, 2025); Frenemies: When Ideological Enemies Ally (Cornell University Press, 2022); The Clash of Ideologies: Middle Eastern Politics and American Security (Oxford University Press, 2012); The Ideological Origins of Great Power Politics, 1789-1989 (Cornell University Press, 2005), and co-editor of Ideologies and International Relations (Routledge Press, 2023); The Middle East and the United States: History, Politics, and Ideologies (Routledge, 2018, sixth edition) and The Arab Spring: The Hope and Reality of the Uprisings (Routledge, 2017). Haas’s scholarly articles have appeared in such journals as International Security, International Organization, International Studies Quarterly, Security Studies, and The Review of Politics, and his opinion pieces have been published in The New York Times, The Boston Globe, The International Tribune Review, and The Pittsburgh Post-Gazette.