Paul Philibert, OP, has taught pastoral theology in the United States and abroad. He is a Dominican friar of the Southern Province. His translation of a collection of Congar's essays on the liturgy has been published by Liturgical Press under the title At the Heart of Christian Worship. His book The Priesthood of the Faithful: Key to a Living Church (Liturgical Press, 2005) reflects the ecclesiology of Yves Congar and his vision of the apostolic life of the faithful.