Mark O'Keefe, OSB, is a Benedictine monk and priest of Saint Meinrad Archabbey in Indiana. He is associate professor of Moral Theology at Saint Meinrad Seminary and School of Theology and from 1996–2008 was its president-rector. He holds a doctorate in sacred theology, with specialization in moral theology, from The Catholic University of America. Father O’Keefe is the author of nine books on moral theology, Christian ethics, and the priesthood, as well as numerous other published works. He has also served as a pastor, and since 1987 has been a medical ethics consultant for Memorial Hospital in Jasper, Indiana. His interest in Carmelite spirituality, especially its great teachers, St. John of the Cross and St. Teresa of Avila, has led him to specialized studies in Avila, Spain, over the course of several years.