O. Alan Noble (PhD, Baylor) is associate professor of English at Oklahoma Baptist University, a fellow at the Keller Center for Cultural Apologetics, and author of On Getting Out of Bed, You Are Not Your Own, and Disruptive Witness. Noble has published articles at The Atlantic, The Gospel Coalition, First Things, and Christianity Today. He lives with his wife and three children in Oklahoma City.

Justin Whitmel Earley is the creator of The Common Rule, a program of habits designed to form us in the love of God and neighbor. He is also a mergers and acquisitions lawyer in Richmond, Virginia. Justin and his wife, Lauren, have four sons.