Grant R. Osborne is professor emeritus 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 has also taught at Winnipeg Theological Seminary and the University of Aberdeen, and has pastored churches in Ohio and Illinois.