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 Reading the Bible Supernaturally.
Wayne Grudem is research professor of theology and biblical studies at Phoenix Seminary and author of Systematic Theology. He co-founded the Council on Biblical Manhood & Womanhood and served as the general editor of the ESV Study Bible.