Fr. Jake Empereur, S.J., vicar and liturgist at the San Fernando Cathedral in San Antonio, Texas, was for many years a professor of systematic and liturgical theology at the Jesuit School of Theology at Berkeley and the Graduate Theological Union. During that time he founded the Institute for Spirituality and Worship, a nine-month renewal program which has trained people from all around the world. He was also the founding editor of Modern Liturgy Magazine that still continues today under the name of Ministry and Liturgy. At Berkeley he was very much involved in the area of theology and the arts. He also taught courses in the enneagram and spiritual direction. In 1994 he moved to San Antonio, Texas, to work in Hispanic ministry at the San Fernando Cathedral and to be the cathedral liturgist. There he continues his work in teaching and writing while being engaged as a full time parish priest. He is the author of several books and articles in the field of liturgy and sacraments. His latest books are The Enneagram and Spiritual Direction and Spiritual Direction and the Gay Person. His latest book with the title of La Vida Sacra: Hispanic Sacramental Theology should appear in 2006. Christopher G. Kiesling is also the author of _The Spirit and Practice of the Liturgy_, _The Future of the Christian Sunday_, and _Celibacy, Prayer, and Friendship_.
