John Piper serves as founder and lead teacher at Desiring God and is chancellor of Bethlehem College and Seminary. For 33 years, Piper served as pastor of Bethlehem Baptist Church. He has authored more than 50 books, and more than 30 years of his preaching and writing are available free of charge at desiringGod.org. Piper resides in the Minneapolis area with his wife of 52 years, and has five children and 14 grandchildren.