Grant R. Osborne was for many years professor of New Testament at Trinity Evangelical Divinity School. He is the author of numerous books, including The Hermeneutical Spiral: A Comprehensive Introduction to Biblical Interpretation, and commentaries on Revelation (Baker Exegetical Commentary on the New Testament), Romans (IVP New Testament Commentary), Matthew (Zondervan Exegetical Commentary on the New Testament), and John, James, 1-2 Peter, and Jude (Cornerstone Biblical Commentary). He also taught at Winnipeg Theological Seminary and the University of Aberdeen, and pastored churches in Ohio and Illinois.

George H. Guthrie is professor of New Testament at Regent College. He has published commentaries on Hebrews (NIV Application Commentary, 1998) and 2 Corinthians (Baker Exegetical Commentary on the New Testament, 2015), as well as a number of works designed to equip the church to better understand and apply Scripture, including Reader's Guide to the Bible (LifeWay, 2011), Reading God's Story (Broadman & Holman, 2011), and Read the Bible for Life (Broadman & Holman, 2011).