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.

Steven B. Cowan (M.Div.; Ph.D.) is associate professor of Philosophy and Apologetics at Southeastern Bible College in Birmingham, AL.

William Lane Craig (PhD, University of Birmingham, England) is research professor of philosophy at Talbot School of Theology, Biola University and lives in Marietta, GA.

Gary Habermas (PhD, Michigan State University) is distinguished professor and chair of the department of philosophy and director of the MA program in apologetics at Liberty University in Lynchburg, Virginia.

Paul D. Feinberg, (ThD, Dallas Theological Seminary) was professor of biblical and systematic theology at Trinity Evangelical Divinity School.

Dr. John Frame serves as J.D. Trimble Chair of Systematic Theology and Philosophy at Reformed Theological Seminary in Oviedo, Florida. 

Kelly James Clark (PhD, Notre Dame) is associate professor of philosophy at Calvin College in Grand Rapids, Michigan.