Robert V. Kemper, an anthropology professor at Southern Methodist University in Dallas, Texas, co-authored The World As It Should Be: Faith-Based Community Development in America, on his website.

Jimmy Dorrell is co-founder and executive director of Mission Waco, a ministry to empower the poor, mobilize middle-class Americans and address systematic social injustices. He is pastor of Church Under the Bridge and also teaches classes at Baylor University and Truett Seminary in Waco.

Marvin Olasky is editor of World magazine, based in Asheville, N.C. He is credited with coining the phrase “compassionate conservatism” and has been a proponent of the government’s faith-based initiatives. He is the author of Renewing American Compassion: How Compassion for the Needy Can Turn Ordinary Citizens Into Heroes (The Free Press, 1996).

Noel Castellanos is institute director of the Chicago-based Christian Community Development Association, which works to reclaim and restore under-resourced communities, and he was appointed to serve on the president’s council for Faith and Neighborhood Partnerships.

Phillip Johnson is a retired professor of law at the University of California, Berkeley. After converting to Christianity, Johnson wrote two books on evolution and naturalistic philosophy for the general reader, one of which is Darwin on Trial, which is largely credited as founding the idea of intelligent design.

Adair T. Lummis is a religion sociologist and a faculty associate in research at Hartford Seminary in Hartford, Conn. Her research focuses on denominational policies; gender, spirituality and leadership in communities of faith; and clergy concerns. Her books include, as co-author, Clergy Women: An Uphill Calling.

Jan Gregory was an adjunct professor of liturgy, worship and spirituality at Hartford Seminary in Hartford, Conn., where she taught a course in drumming and worship.

Drummers for Jesus is an international Christian ministry that spreads the gospel through drums. The ministry is based in Rockwall, Texas, and has a list of chapters throughout the U.S.

Terl Bryant is a drummer and author of A Heart to Drum, published in 2006. He lives in Great Britain.