John Piper (DTheol, University of Munich) is a bestselling author, a major evangelical leader, and the founder of Desiring God Ministries. For over 30 years, he was pastor of Bethlehem Baptist Church in Minneapolis, Minnesota. He has written more than 50 books, including Desiring God. More than 30 years of his preaching and teaching is available for free at desiringGod.org.