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.

John Knight is a Donor Officer at Desiring God. He is married to Dianne, and together they parent their four children: Paul, Hannah, Daniel, and Johnny. Paul lives with multiple disabilities including blindness, autism, cognitive impairments, and a seizure disorder. John writes on disability, the Bible, and the church at The Works of God.