The Bible and War

President of the Institute on Religion and Democracy and editor of its foreign policy and national security journal, Providence. 

Executive director of the Institute for Human Ecology and an ordinary professor of moral theology at The Catholic University of America.

Professor at and the former dean of the Robertson School of Government at Regent University. His research and teaching focus on religion and politics, ethics and international affairs, and just-war theory in the context of contemporary conflict.

A Jesuit priest, Distinguished Professor of Ethics and Global Human Development at Georgetown University and a Senior Research Fellow at the university’s Berkley Center for Religion, Ethics and World Affairs. As director of the U.S. Catholic Conference’s Office of International Justice and Peace he worked on armed conflict and humanitarian protection in the Balkans, the Middle East and Central America. He was the chief staff consultant on the U.S. bishops’ 1993 peace statement, “The Harvest of Justice is Sown in Peace” and a member of the first International Mennonite-Catholic Dialogue which issued the statement “Called Together to Be Peacemakers.” Since 2013 he has worked directly with the Holy See on nuclear disarmament. He serves on the coordinating committee of the Catholic Peacebuilding Network. He is a consultant to the Holy See Observer Mission to the United Nations on international security, and in that capacity was a member of the delegation that negotiated the Treaty to Prohibit Nuclear Weapons in 2017.