Edward W. Klink III, Ph.D. (University of St. Andrews) is Associate Professor of New Testament at Talbot School of Theology, Biola University. He is the author of The Sheep of the Fold: The Audience and Origin of the Gospel of John), editor of The Audience of the Gospels: The Origin and Function of the Gospels in Early Christianity, and is currently writing a commentary on the Gospel of John for the Zondervan Exegetical Commentary on the New Testament series.

Clinton E. Arnold (PhD, University of Aberdeen) is research professor of New Testament at Talbot School of Theology, Biola University in La Mirada, California. He has authored many books and commentaries, including Ephesians in the Zondervan Exegetical Commentary series and Acts in the Zondervan Illustrated Bible Backgrounds Commentary.