Bruce Marshall is Lehman Professor of Christian Doctrine in the Perkins School of Theology at Southern Methodist University. For the 2018-19 academic year he is serving as Rev. Robert J. Randall Distinguished Professor in Christian Culture at Providence College. He is the author of Trinity and Truth (2000) and Christology in Conflict (1987), and is presently at work on a book on the Trinity, faith, and reason in Aquinas and contemporary Catholic theology. He is a past president of the Academy of Catholic Theology.
Sandra Toenies Keating earned her MA and PhD in Roman Catholic Theology from the School of Religious Studies with an emphasis in Muslim-Christian Relations at the Catholic University of America. Previously she studied at the Pontifical Institute for the Study of Islam and Arabic (PISAI) in Rome, where she received an STL. She is currently Associate Professor of Theology at Providence College in Rhode Island where she teaches courses in Catholic theology, Islam and world religions. She was a member of the Vatican Commission for Religious Relations with Muslims from 2005-12, is a member of the USCCB Mid-Atlantic dialogue and regularly participates in Catholic-Muslim dialogues, both in the United States and abroad. She also serves on several Boards of Directors, and she is a frequent lecturer on the topic of Muslim-Christian relations.
Gavin D’Costa is Professor of Catholic Theology at the University of Bristol. He was born in Kenya. His parents are from India. He is author of seven books on the theology of religions, most recently: Vatican II. Catholic Doctrines on Jews and Muslims (OUP, 2014) and forthcoming, Catholics and Jews After Vatican II (OUP, 2019). He has taught at the Pontifical Gregorian University in Rome as the Joseph McCarthy Visiting Professor. He has also published a book of poetry and worked with the composer, John Pickard (two CDs). His interests are in the theology of religions, specifically the relation of Catholicism to Jews and Muslims. He is an adviser to the Vatican Pontifical Council for Interreligious Dialogue and the Roman Catholic Bishops in England and Wales on matters related to other religions. He is married with two children.