Platt & Dever on the Importance of Global Mission By David Platt | Jun 03, 2013 Share This is the eighth part of an eight-part interview with David Platt and Mark Dever. David Platt David Platt serves as pastor at McLean Bible Church in Washington, D.C. He is the founder and chairman of Radical. He is the author of several books, including Radical, Radical Together, Follow Me, Counter Culture, and Something Needs to Change.