Albert Haase, O.F.M. (Ph.D., Fordham University; M.Div., Catholic Theological Union), is a preacher, retreat leader and spiritual director based in the Chicago area. He serves as the director of the International Institute for Clergy Formation (Seton Hall University). He has also taught as an adjunct professor of spirituality at Catholic Theological Union in Chicago, Illinois, and offers training in spiritual direction for the Diocese of Peoria, Illinois. He is the co-host of Spirit and Life, a weekly radio show on the Relevant Radio network, and a former missionary to mainland China.
M. Robert Mulholland Jr. (Th.D., Harvard) is professor of New Testament at Asbury Theological Seminary in Wilmore, Kentucky. He is the author of several books, including Shaped by the Word (Upper Room), Revelation (Zondervan), and the landmark spiritual formation book Invitation to a Journey (IVP).