Bruce Demarest, PhD, has taught theology for many years at Denver Seminary and currently serves as professor of Christian formation. Dr. Demarest has a PhD in biblical and historical theology from the University of Manchester. He has written several books on theology and spiritual formation, including Soul Guide, Satisfy Your Soul, Seasons of the Soul, and The Cross and Salvation.
Keith J. Matthews, DMin, is chair of the ministry department and professor of spiritual formation and contemporary culture at Azusa Pacific University’s Graduate School of Theology. He is a longtime pastoral practitioner, having served in churches from coast to coast. He is also an adjunct professor at Fuller Theological Seminary. Matthews has written several articles and coauthored Dallas Willard’s study guide to The Divine Conspiracy.