Bettina Arnold is associate professor of anthropology at the University of Wisconsin-Milwaukee and author of “Justifying Genocide: The Supporting Role of Archaeology in ‘Ethnic Cleansing’” for the book Annihilating Difference: The Anthropology of Genocide (University of California Press, 2002).

Lawrence J. LeBlanc is professor of political science at Marquette University in Milwaukee and author of The United States and the Genocide Convention (Duke University Press, 1991). He specializes in international politics, international law and organizations, and U.S. foreign policy.

Eric D. Weitz is a history professor at the University of Minnesota in Minneapolis-St. Paul and author of A Century of Genocide: Utopias of Race and Nation (Princeton University Press, 2005).

Michael A. Sells is professor of Islamic history and literature at the University of Chicago. He has written on genocide in Bosnia in the context of Islamic belief.

Rabbi Peter J. Haas is a Jewish studies professor and director of the Rosenthal Center for Judaic Studies at Case Western Reserve University in Cleveland. He wrote Human Rights and the World’s Major Religions: The Jewish Tradition (Greenwood Press, 2005).

Robert Melson is political professor at Purdue University in West Lafayette, Ind., and current president of the International Association of Genocide Scholars, which he co-founded in 1995. His primary area of research is ethnic conflict and genocide, and he has written widely on the topic.

Alan Kuperman is associate professor of public affairs at the University of Texas at Austin. He is author of The Limits of Humanitarian Intervention: Genocide in Rwanda (Brookings Institution Press, 2001) and co-editor of Gambling on Humanitarian Intervention: Moral Hazard, Rebellion, and Civil War (Routledge, 2006).

Helmut Walser Smith is Martha Rivers Ingram Chair of History at Vanderbilt University and Director of the Max Kade Center for European and German. He is author of The Holocaust and Other Genocides: History, Representation, Ethics (Vanderbilt University Press, 2002).

Randolph L. Braham is director of the Rosenthal Institute for Holocaust Studies at the City University of New York. He is author of The Politics of Genocide: The Holocaust in Hungary (Wayne State University Press, 2000) and The Vatican and the Holocaust (East European Monographs, 2000).