Benny Hinn is the leader of Benny Hinn Ministries in Grapevine, Texas. His “This Is Your Day” program is seen throughout the United States and in nearly 200 foreign countries. His ministry took in $60 million in 2001 and now exceeds $90 million annually, according to the Colorado Springs Gazette. Contact through the form on his website.

Creflo Dollar is the founder and president of Creflo Dollar Ministries and pastor of World Changers Church International in College Park, Ga., which claims 25,000 members. His television show, Changing Your World, reaches 1 billion people, according to the WCCI website.

Kenneth and Gloria Copeland are based in Fort Worth, Texas. Their television show, Believer’s Voice of Victory, reaches at least 76 million households in the United States and airs on 135 international stations.

Aubrey M. Malphurs, senior professor of leadership pastoral ministries at Dallas Theological Seminary. He wrote Planting Growing Churches for the 21st Century: A Comprehensive Guide for New Churches and Those Desiring Renewal (Baker Books, 2004).

Matt Jones is director of new church development for North Alabama Conference for the United Methodist Church.

Penny Long Marler is a professor of religion at Samford University in Birmingham, Ala., with interests in the relationship between church and society and religious change. She has written about measuring growth in church attendance.

Gary R. Bunt is a scholar that specializes in topics relating to Islam, Muslims and the media; Islamic philosophy of law; Muslims in the U.K.; ritual and performance; religious and political authority. He is the author of Islam in the Digital Age. He writes a blog and maintains a website at Virtually Islamic.

The International Union for Muslim Scholars is an organization that is composed of scholars who want to discuss and preserve Islamic teaching and research.

The Cambridge Muslim College is a nondenominational institution for education, training and research in subjects relevant to the British Muslim community.