John Stephen Piper (born January 11, 1946) is founder and teacher of desiringGod.org and chancellor of Bethlehem College & Seminary in Minneapolis, Minnesota. He is a Calvinist Baptist preacher and author who served as Pastor for Preaching and Vision of Bethlehem Baptist Church in Minneapolis, Minnesota for 33 years.His books include ECPA Christian Book Award winners Spectacular Sins, What Jesus Demands from the World,Pierced by the Word, and God's Passion for His Glory, and bestsellers Don't Waste Your Life and The Passion of Jesus Christ.The evangelical organization Desiring God is named for his book Desiring God: Meditations of a Christian Hedonist (1986).Piper was born in Chattanooga, Tennessee, to Bill and Ruth Piper. His father was a traveling evangelist and church planter. When he and his older sister were still young, the Pipers moved to Greenville, South Carolina, where he spent the remainder of his youth and graduated from Wade Hampton High School.
He married Noël Henry in 1968, and together they have four sons, a daughter, and twelve grandchildren.
Piper attended Wheaton College (1964–68) majoring in literature and minoring in philosophy. Studying Romantic Literature with Clyde Kilby stimulated his poetic side, and today he regularly composes poetry to celebrate special family occasions as well as annually composing story-poems (based on the life of biblical characters) for his congregation during the four weeks of Advent.