Francis Chan is the best-selling author of books, Crazy Love, Forgotten God, Erasing Hell, Multiply and You and Me Forever, co-written with his wife, Lisa. Francis has also written the children's books Halfway Herbert, The Big Red Tractor and the Little Village and Ronnie Wilson's Gift. Francis is the founding pastor of Cornerstone Church in Simi Valley, California, and is the founder of Eternity Bible College. Currently, Francis is planting churches in the San Francisco areas and launched a countrywide discipleship movement with David Platt called Multiply. Francis lives in Northern California with his wife, Lisa, and their seven children.

Dr. David Platt is the President of the International Mission Board. His first love in ministry is disciple-making—the simple biblical model of teaching God's Word, mentoring others and sharing faith. He has traveled extensively to teach the Bible to church leaders throughout the United States and around the world. He is the author of the New York Times Best Seller Radical: Taking Back Your Faith from the American Dream and Follow Me: A Call to Die. A Call to Live. Platt founded a resource ministry, Radical.net, dedicated to serving the church and making disciples of all nations.

A life-long learner, David has earned two undergraduate and three advanced degrees. He holds a Bachelor of Arts (B.A.) and a Bachelor of Arts in Journalism (A.B.J.) from the University of Georgia, and a Master of Divinity (M.Div.), Master of Theology (Th.M.) and Doctor of Philosophy (Ph.D.) from New Orleans Baptist Theological Seminary. He has previously served as Pastor of The Church at Brook Hills in Birmingham, Alabama. David and his wife, Heather, live in Birmingham with their four children.