A.W. Richard Sipe researches the sexual and celibate practices of Roman Catholic bishops and priests. He is the author of A Secret World and Celibacy in Crisis. He served the Church as a Benedictine monk and Catholic priest. He has practiced psychotherapy, taught on the faculties of major Catholic seminaries and colleges. He served as a consultant and expert witness in civil and criminal cases involving the sexual abuse of minors and is listed as an expert in two cases of murder by priests.