Berkley Center

Timothy Byrnes is Charles A. Dana Professor of Political Science at Colgate University. His books include Reverse Mission: Transnational Religious Communities and the Making of U.S. Foreign Policy (2011), Transnational Catholicism in Post-Communist Europe (2001), and Catholic Bishops in American Politics (1991).

Peter Mandaville is a professor of international affairs at the Schar School of Policy and Government at George Mason University, where he also serves as the director of the AbuSulayman Center for Global Islamic Studies. He was a Berkley Center senior research fellow from April 2018 to April 2024 and from 2022 to 2024 served as a senior advisor on religion and inclusive societies at the United States Institute of Peace. Previous government experience includes serving as a member of the U.S. State Department’s Policy Planning Staff (2011-2012) and as a senior advisor in the department’s Office of Religion and Global Affairs (2015-2016). He has also been a visiting senior fellow at the Pew Research Center. His research focuses on the intersection of religion and international affairs, with a primary focus on Islam and the Muslim world. His publications include, among others, The Geopolitics of Religious Soft Power: How States Use Religion in Foreign Policy (2023),  Wahhabism and the World (2022), Islam and Politics (2014, 2020), Global Political Islam (2007), and Transnational Muslim Politics: Reimagining the Umma (2001). He holds degrees from the University of St. Andrews and the University of Kent and has studied at the American University in Cairo.