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 Come, Lord Jesus.

Lane Dennis is president and publisher of Crossway.

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.

Justin Taylor is Executive Vice President for Book Publishing and Publisher for Books at Crossway. He blogs at Between Two Worlds. He and his wife have five children.