John Piper is founder and teacher of desiringGod.org and chancellor of Bethlehem College and Seminary in Minneapolis. For 33 years, he served as pastor of Bethlehem Baptist Church. He is the author of more than fifty books, and more than thirty years of his preaching and writing are available free of charge at desiringGod.org. John and his wife, Noël, have five children and twelve grandchildren.
The Role of the Holy Spirit in World Evangelization