G. Scott Davis is Lewis T. Booker Professor of Religion and Ethics, and he chairs the religion department at the University of Richmond in Richmond, Va. He has written about justice, war and peace, and his publications include Religion and Justice

Georgette F. Bennett is president and founder of the Tanenbaum Center for Interreligious Understanding in New York. Conflict resolution is one focus of the center, which published Peacemakers in Action: Profiles of Religion in Conflict Resolution.

Sharon Erickson Nepstad is a professor of sociology at the University of New Mexico. Her research interests include religion and peace studies, and she chaired the Peace, War and Social Conflict section of the American Sociological Association.

Kenneth R. Himes is a professor of theology at Boston College in Chestnut Hill, Mass. His specialties include the ethics of warfare, and he has written extensively on just war and peace.

Catholic Relief Services, based in Baltimore, has a peacebuilding unit that has been working worldwide since the mid-1990s through development, education, advocacy, diplomacy and a variety of other means. Nikki Gamer is the senior public affairs manager.

The Life & Peace Institute, based in Uppsala, Sweden, is an international ecumenical research and practice institute focused on conflict transformation. Contact through the website.

The International Peace Research Association is an international nongovernmental organization of scholars and practitioners studying issues related to sustainable peace.

The Community of Sant’Egidio is an international Catholic organization that has been involved in peacebuilding.

The Carnegie Middle East Center, which is in Beirut, is part of the Carnegie Endowment for International Peace. Meshal DeSantis is the media director in Washington.