Ordained a Catholic priest for the Diocese of La Crosse, Wisconsin, in 1965, John has had more than thirty-seven years of pastoral experience, including college teaching, campus ministry, justice and peace leadership, and almost ten years as a pastor. He holds an M.A. in philosophy from the Catholic University of America and a licentiate in canon law from the Pontifical Lateran University in Rome.
For the past seventeen years John has also served as a licensed psychotherapist, retreat director, and a presenter at national and international conferences. He is the author of seven books on spirituality and human relationships.