David Hollenbach, SJ, is the Pedro Arrupe Distinguished Research Professor at the Walsh School of Foreign Service, a senior fellow of the Berkley Center for Religion, Peace, and World Affairs, and an affiliated professor in the Department of Theology and Religious Studies at Georgetown University. He is the author of several books, including The Global Face of Public Faith (GUP, 2004) and Humanity in Crisis (GUP, 2019).