Fr. Thomas Ryan, CSP, a catholic priest and certified Kripalu yoga teacher, coordinates ecumenical and inter-religious relations for the paulist community in the U.S. and Canada. His nine books include Reclaiming the Body in Christian Spirituality; The Sacred Art of Fasting; Four Steps to Spiritual Freedom; Prayer of Heart and Body; Meditation and Yoga as Christian Spiritual Practice; and Disciplines for Christian Living: Interfaith Perspectives.