John S. Feinberg (PhD, University of Chicago) is department chair and professor of biblical and systematic theology at Trinity Evangelical Divinity School. He is the author of Ethics for a Brave New World (with Paul D. Feinberg) and is general editor of Crossway’s Foundations of Evangelical Theology series.

J. Richard Middleton (PhD, Free University of Amsterdam) is professor of Biblical Worldview and Exegesis at Northeastern Seminary and adjunct professor of Theology at Roberts Wesleyan College, both in Rochester, New York. He authored A New Heaven and a New Earth: Reclaiming Biblical Eschatology, The Liberating Image, and coauthored the bestsellers Truth Is Stranger Than It Used to Be and The Transforming Vision.

Michael Allen (PhD, Wheaton College) is the John Dyer Trimble Professor of Systematic Theology and Academic Dean at Reformed Theological Seminary, Orlando, FL.

Peter Kreeft (PhD, Fordham University) is professor of philosophy at Boston College where he has taught since 1965. A popular lecturer, he has also taught at many other colleges, seminaries and educational institutions in the eastern United States. Kreeft has written more than fifty books, including The Best Things in Life, The Journey, How to Win the Culture War, and Handbook of Christian Apologetics (with Ronald Tacelli).

Michael Wittmer is currently Professor of Systematic Theology at GRTS in Grand Rapids, MI. He is the author of Heaven Is a Place on Earth, Don't Stop Believing, The Last Enemy, and Despite Doubt. He and his wife, Julie, live in Grand Rapids, Michigan with their three children: Avery, Landon, and Alayna.

Stanley N. Gundry is executive vice president and editor-in-chief for the Zondervan Corporation. He has been an influential figure in the Evangelical Theological Society, serving as president of ETS and on its executive committee, and is adjunct professor of Historical Theology at Grand Rapids Theological Seminary. He is the author of seven books and has written many articles appearing in popular and academic periodicals.