Mark L. Haas is the Duquesne 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.