Robert A. Peterson (PhD, Drew University) is a writer and theologian. He taught for many years at various theological seminaries and has written or edited over thirty books.

Bob Yarbrough (PhD, University of Aberdeen, Scotland) is professor of New Testament at Covenant Theological Seminary in St. Louis, Missouri. He was previously professor of New Testament and department chair at Trinity Evangelical Divinity School. He is the author or coauthor of several books and is active in pastoral training in Africa.

John M. Frame (DD, Belhaven College) is J. D. Trimble Chair of Systematic Theology and Philosophy at Reformed Theological Seminary in Orlando, Florida. He has published many books, including The Doctrine of God and Systematic Theology.

William Edgar (DTheol, University of Geneva) is professor of apologetics and John Boyer Chair of Evangelism and Culture at Westminster Theological Seminary. William lives in Philadelphia, Pennsylvania, with his wife, Barbara. They have two children and three grandchildren.

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.

Christopher W. Morgan (PhD, Mid-America Baptist Theological Seminary) is a professor of theology and the dean of the School of Christian Ministries at California Baptist University. He is also the lead pastor of Immanuel Baptist Church in Highland, CA. He is the author or editor of over twenty books, including several volumes in the Theology in Community series.