Steve Wilkens (PhD, Fuller Theological Seminary) is professor of philosophy and ethics at Azusa Pacific University. His books include Hidden Worldviews, Faith and Reason: Three Views, Christianity Western Thought (volumes 2 and 3) and Beyond Bumper Sticker Ethics. He has also taught as an adjunct faculty member at Mount San Antonio College, Glendale Community College, Fuller Theological Seminary and Azusa Pacific University's C. P. Haggard Graduate School of Theology.
Mark L. Sanford (M.Div., Nazarene Theological Seminary) is instructor in practical theology and facilitator of discipleship groups at Azusa Pacific University in Azusa, California. He previously served as relationship ministries pastor at Pasadena Church of the Nazarene, chaplain of Eastern Nazarene College and singles pastor at First Church of the Nazarene in Pasadena, CA.