"John Stephen Piper (born Jan 11, 1946) is a Reformed theologian, pastor, and chancellor of Bethlehem College and Seminary in Minneapolis, MN. He taught at Bethel University for six years (1974-1980), before serving as pastor for preaching and vision of Bethlehem Baptist Church in Minneapolis for 33 years (1980-2013)." (https://en.wikipedia.org/wiki/John_Pipe r) . Piper is the founder and senior teacher of desiringGod.org, named for his book Desiring God: Meditations of a Chr