Mark S. Gignilliat (PhD, University of St. Andrews) is professor of divinity at Beeson Divinity School, Samford University, and theologian in residence at St. Peter's Anglican Church in Birmingham, Alabama. He previously taught at Wycliffe Hall, University of Oxford. Gignilliat is the author of several books, including Reading Scripture Canonically, A Brief History of Old Testament Criticism, and Karl Barth and the Fifth Gospel.
Heath A. Thomas (PhD, University of Gloucestershire) is president and professor of Old Testament at Oklahoma Baptist University in Shawnee, Oklahoma. He has served on staff at churches in Oklahoma, Texas, North Carolina, and the United Kingdom and is the author or editor of several books, including The Minor Prophets: A Theological Introduction, Habakkuk: A Commentary, and The Gospel of Our King (with Bruce Riley Ashford).