Bruce W. Longenecker (PhD, University of Durham, England) is professor of religion and W. W. Melton Chair at Baylor University in Waco, Texas. He has previously taught at the University of St. Andrews, Cambridge University, and the University of Durham. He is the author of several books, including Remember the Poor: Paul, Poverty, and the Greco-Roman World, and The Lost Letters of Pergamum: A Story from the New Testament World.

Todd D. Still (Ph. D., University of Glasgow, Scotland) serves as the William M. Hinson Professor of Christian Scriptures (New Testament and Greek) at the George W. Truett Theological Seminary of Baylor University in Waco, Texas. In addition to having written Colossians for the revised edition of The Expositor's Bible Commentary, Dr. Still is the author of Conflict at Thessalonica as well as Philippians & Philemon. He is also the (co-) editor of several volumes (including Jesus and Paul Reconnected, After the First Urban Christians, and Tertullian and Paul) and has published articles in such scholarly journals as New Testament Studies, Journal of Biblical Literature, and Catholic Biblical Quarterly.