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.

Thabiti Anyabwile is pastor of Anacostia River Church in Southeast Washington, D.C.

Voddie Baucham is dean of the seminary at African Christian University and previously served as Pastor of Preaching at Grace Family Baptist Church in Spring, TX. He has authored numerous books, academic journals, and magazine articles. He is married to Bridget and they have nine children. They currently live in Lusaka, Zambia.

D.A. Carson is emeritus professor of New Testament at Trinity Evangelical Divinity School in Deerfield, Illinois. He is a founding member of The Gospel Coalition, and the author of How Long, O Lord?

Tim Keller is an author, theologian, and apologist. He was the founding pastor of Redeemer Presbyterian Church in New York City, New York, and is a co-founder of The Gospel Coalition.

Miguel Núñez serves as senior pastor of International Baptist Church and president of Wisdom and Integrity Ministries in Santo Domingo, Dominican Republic. He is a council member of The Gospel Coalition.