Fr. Donald Haggerty, a priest of the Archdiocese of New York, is currently serving at Saint Patrick’s Cathedral in New York City. He has been a Professor of Moral Theology at St. Joseph’s Seminary in New York and Mount St. Mary’s Seminary in Maryland and has a long association as a spiritual director for Mother Teresa’s Missionaries of Charity. He is the author of Conversion: Spiritual Insights into an Essential Encounter with God, as well as Contemplative Provocations, Contemplative Enigmas: Insights and Aid on the Path to Deeper Prayer, and The Contemplative Hunger.