Gary Rohrmayer, president and executive minister of Converge MidAmerica, overseeing its business and ministry interests that supports regional church planting and ongoing care of its partner churches.

Donald A. Luidens, professor of sociology at Hope College in Holland, Mich. (affiliated with the Reformed Church in America), has followed the evolution of denominations and denominationalism in the U.S.

Darren E. Sherkat is a professor of sociology at Southern Illinois University at Carbondale. He studies the intersection of religion, family and politics, and he’s working on a book about marijuana legalization.

Daniel V. A. Olson, associate professor of sociology at Purdue Univeristy. Specializes in sociology of religion and has written about church growth.

Daniel Montgomery founded and serves as the lead pastor for Sojourn Community Church in Louisville, Ky., a church plant. Sojourn began as an attempt to reach people who were falling through the cracks in more mainstream churches. It officially launched in September 2000 using rented space and has expanded to include multiple campuses.

Mark Perakh is a professor emeritus of physics at California State University, Fullerton. He is author of Unintelligent Design (Prometheus Books, 2004).

John Schneeberger is with the Bitterroot Human Alliance in Hamilton, Mont., and advocated against the inclusion of intelligent design in Darby public schools.

Matt Young is co-author of Why Intelligent Design Fails: A Scientific Critique of the New Creationism. He teaches physics at the Colorado School of Mines in Golden, Colo.

Niall Shanks was the author of “God, the Devil and Darwin: A Critique of Intelligent Design Theory” (Oxford University Press, 2004) and a professor of philosophy at East Tennessee State University.