Gerald L. Sittser (PhD, University of Chicago) is the bestselling author of Water from a Deep Well, A Grace Disguised, and The Will of God as a Way of Life. He is professor of theology at Whitworth University in Spokane, Washington, where he also serves as senior fellow and researcher in the Office of Church Engagement. He specializes in the history of Christianity, Christian spirituality, and religion in American public life. Sittser has written for numerous publications, including Christianity Today, and has spoken at numerous churches, conferences, retreats, and colleges.