Founding Director, Center for Muslim Christian Understanding, Georgetown University
Chair, African Studies, Howard University (God grant him peace)
Director of Research, Institute of Social Policy and Understanding
Senior Fellow - Foreign Policy, Center for Middle East Policy, U.S. Relations with the Islamic World, Brookings Institution
King Faisal Chair in Islamic Thought & Culture, Professor of Religion & American Studies & Ethnicity, University of Southern California
Professor, Political Economy, School of Public Policy, Central European University
Associate Professor of History, Villanova University
Chair of Islamic Civilization, School of Foreign Service, Director, Alwaleed bin Talal Center for Muslim Christian Understanding, Georgetown University
Associate Professor, Political Science Santa Clara University Founder & President, Center for Global Policy