Douglas S. Huffman (PhD, Trinity Evangelical Divinity School) is dean of academic programs and professor of New Testament at Talbot School of Theology, Biola University. He is the author of Verbal Aspect Theory and the Prohibitions in the Greek New Testament and The Handy Guide for New Testament Greek.

Eric L. Johnson (PhD, Michigan State University) is an associate professor of personality and pastoral theology at Southern Baptist Theological Seminary in Louisville, Kentucky. Johnson has written articles for the Journal of Psychology and Theology, Journal of Psychology and Christianity, Baker Encyclopedia of Psychology, and the Journal of Evangelical Theological Society.

Doug Geivett is a professor of philosophy at Talbot School of Theology, Biola University. Dr. Geivett served as the college pastor of a church in Washington and the Church of the Open Door in Southern California.

James Spiegel holds a PhD from Michigan State University and currently teaches philosophy at Taylor University. He is the author of several books, including the award-winning How to Be Good in a World Gone Bad. Spiegel is a frequent speaker at Christian colleges, conferences, churches, and on radio programs. He lives in Fairmount, Indiana, with his wife, Amy, and their four children, Bailey, Samuel, Magdalene, and Andrew.

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.

D. A. Carson is research professor of New Testament at Trinity Evangelical Divinity School in Deerfield, Illinois. He has been at Trinity since 1978. Carson came to Trinity from the faculty of Northwest Baptist Theological Seminary in Vancouver, British Columbia, where he also served for two years as academic dean. He has served as assistant pastor and pastor and has done itinerant ministry in Canada and the United Kingdom. Carson received the Bachelor of Science in chemistry from McGill University, the Master of Divinity from Central Baptist Seminary in Toronto, and the Doctor of Philosophy in New Testament from the University of Cambridge. Carson is an active guest lecturer in academic and church settings around the world. He has written or edited about sixty books. He is a founding member and currently president of The Gospel Coalition.