John Stephen Piper is an American New Testament scholar, Baptist theologian, pastor, and chancellor of Bethlehem College & Seminary in Minneapolis, Minnesota. Piper taught biblical studies at Bethel University for six years (1974–1980), before serving as pastor for preaching and vision of Bethlehem Baptist Church (Converge) in Minneapolis for 33 years (1980–2013). Piper is the founder and senior teacher of desiringGod.org, named for his book Desiring God: Meditations of a Christian Hedonist (1986), and has written a number of award-winning books, including ECPA Christian Book Award winners Spectacular Sins, What Jesus Demands from the World, Pierced by the Word, and God's Passion for His Glory, as well as bestsellers Don't Waste Your Life and The Passion of Jesus Christ.