Dr. Charles F. Stanley is senior pastor of the First Baptist Church of Atlanta and founder of In Touch Ministries. The "In Touch" program can be heard in every nation via radio, shortwave or television broadcasts. In 1988, Dr. Stanley was inducted into the National Religious Broadcaster’s (NRB) Hall of Fame. Dr. Stanley has also served two terms as president of the Southern Baptist Convention.

John Piper is the pastor for preaching at Bethlehem Baptist Church in Minneapolis, Minn. Piper is the author of more than 20 books and his preaching and teaching is featured on the daily radio program "Desiring God." He and his wife Noël have four sons, one daughter and four grandchildren.

Rob Bell is the founding pastor of Mars Hill Bible Church, located in Grandville, Mich. He is featured in the first series of spiritual short films called NOOMA and recently completed his first book "Velvet Elvis: Repainting the Christian Faith." Bell and his wife, Kristen, have two boys and live in Grand Rapids, Mich.

Tommy Barnett is the senior pastor of Phoenix First Assembly of God in Phoenix, Ariz., one of the fastest-growing churches in America; and the founding pastor of the Los Angeles Dream Center. Barnett is widely seen on the Trinity Broadcasting Network program, "Praise the Lord" and has appeared on "The 700 Club." He produces a weekly documentary program with his son from the L.A. Dream Center, aired on TBN.