John Piper is founder and teacher of Desiring God and chancellor of Bethlehem College and Seminary. For 33 years, he served as pastor of Bethlehem Baptist Church, Minneapolis, Minnesota. He is author of more than 50 books, including Desiring God: Meditations of a Christian Hedonist and most recently Foundations for Lifelong Learning: Education in Serious Joy.

H.B. Charles Jr. is the pastor at Shiloh Metropolitan Baptist Church in Jacksonville, Florida.

Steven Lee is the Pastor of Preaching and Vision at The North Church in Mounds View, Minnesota, where he lives with his wife, Stephanie, and their five children. He is a graduate of Bethlehem College and Seminary.

Kenny Stokes is Pastor for Preaching and Vision at Bethlehem Baptist Church in Minneapolis, Minnesota. He and his wife, Kathy, have four adult children and seven grandchildren.

Stephen Witmer is the pastor of Pepperell Christian Fellowship in Pepperell, Massachusetts, and Adjunct Professor of New Testament at Gordon-Conwell Theological Seminary. He is the cofounder of Small Town Summits, an organization that serves rural churches and pastors, and has written A Big Gospel in Small Places. He and his wife, Emma, have three children.