John Piper is founder and teacher of desiringGod.org and chancellor of Bethlehem College & 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 Why I Love the Apostle Paul: 30 Reasons.

Alistair Begg is senior pastor of Parkside Church in Cleveland, Ohio, and Bible teacher on Truth for Life, heard on the radio and online around the world. He is married to Susan, and they have three grown children and five grandchildren. Most recently, he is general editor of the CSB Spurgeon Study Bible.

Tom Steller is pastor for leadership development at Bethlehem Baptist Church in Minneapolis, and senior advisor to the president and dean of global and alumni outreach at Bethlehem College & Seminary.

George Verwer is the founder and former international director of Operation Mobilization.

David Wells is distinguished senior research professor at Gordon-Conwell Theological Seminary, and the author of numerous books.