Eric Stover is Director of the Human Rights Center at the University of California-Berkeley. The center’s research focuses on war crimes, justice and postwar reconstruction, health and human rights, and globalization.

Weigh Down Ministries is a Christian-based fitness program founded by Gwen Shamblin, who is also a co-founder of Remnant Fellowship Church in Brentwood, Tenn. The Weigh Down Diet was at the forefront of the Christian diet craze of 20 years ago and remains very popular, despite Shamblin’s personal problems with her congregation.

Darby Kathleen Ray is an associate professor of religious studies and director of the Millsaps Faith and Work Initiative at Millsaps College in Jackson, Miss. She is the editor of Theology That Matters: Ecology, Economy and God (2006).

Kevin J. Christiano is an associate professor of sociology who specializes in religion at the University of Notre Dame in South Bend, Ind. He is the author of Sociology of Religion: Contemporary Developments and has written and taught extensively on the sociology of religion.

Celia VanDeGraaf is executive director of the Center for Survivors of Torture in Dallas.

Laurie M. Johnson is a political science professor at Kansas State University in Manhattan, Kan., where she teaches a course on religion and politics.

Walter Sundberg teaches church history at Luther Seminary in St. Paul, Minn., and has written about religion, politics and trends in American religion.

PraiseMoves is a “Christian alternative to yoga” founded by Laurette Willis. It consists of books, DVDs, tapes and television programs for adults and children. Willis is based in Tahlequah, Okla.

Dale Soden is a history professor at Whitworth University in Spokane, Wash. He contributed a chapter on mainline Protestants, Catholics and Jews in the Pacific Northwest to Religion and Public Life in the Pacific Northwest: The None Zone.