Russell Powell is associate professor of law at Seattle University. His expertise includes comparative religious jurisprudence, with particular interests in Catholic social thought and Islamic legal theory.

Samuel L. Gaertner is a psychology professor at the University of Delaware in Newark. He is a social psychologist and co-author of the chapter “Contemporary Racial Bias: When Good People Do Bad Things” in The Social Psychology of Good and Evil.

Greg Duncan is Distinguished Professor of Education at the University of California, Irvine. He has published extensively on welfare and poverty, including (as co-author) Higher Ground: New Hope for the Working Poor and Their Children and (as co-editor) For Better and For Worse: Welfare Reform and the Well-Being of Children and Families.

Barbara Kellerman is the James McGregor Burns Lecturer in the Leadership at the Center for Public Leadership of the Kennedy School of Government at Harvard University and the author of Bad Leadership: What It Is, How It Happens, Why It Matters.

Angela Glover Blackwell is founder and CEO of PolicyLink, a national research institute in Oakland, Calif., that works for economic and social equity. She is a lawyer and well-known advocate on issues of poverty, race and the role of faith.

John F. Dovidio is a psychology professor at the Yale University. He is a social psychologist and co-author of the chapter “Contemporary Racial Bias: When Good People Do Bad things” in The Social Psychology of Good and Evil.

Nicholas Carnagey is visiting professor of psychology at Wake Forest University in Winston-Salem, N.C., and co-author of the chapter “Violent Evil and the General Aggression Model” in The Social Psychology of Good and Evil.

Heidi Unruh is director of the Congregations, Community Outreach and Leadership Development Project and staff associate with Evangelicals for Social Action. She is co-editor of Hope for Children in Poverty: Profiles and Possibilities and co-author of Saving Souls, Serving Society: Understanding the Faith Factor in Church-Based Social Ministries. She lives in Hutchison, Kan.

Sung Hee Kim is an associate professor of psychology and a member of the social psychology core group at the University of Kentucky in Lexington. Her research interests include conflict, group processes and vengeance.