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.
Justin Taylor is Senior Vice President and Publisher for Books at Crossway and an elder at New Covenant Bible Church in St. Charles, Illinois. He blogs at Between Two Worlds. He and his wife have four children.