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 Foundations for Lifelong Learning: Education in Serious Joy.

Ryan Griffith (PhD, The Southern Baptist Theological Seminary) is Vice President of Strategic Initiatives, Chief of Staff, and Associate Professor of Church History at Southwest Baptist University in Bolivar, Missouri. He also serves as a Senior Fellow at the Andrew Fuller Center for Baptist Studies.

Sam Storms is lead pastor for preaching and vision at Bridgeway Church in Oklahoma City, Oklahoma. He is the author of Practicing the Power: Welcoming the Gifts of the Holy Spirit in Your Life.