He studied at the University of Berne and the University of Fribourg in Switzerland as well as the University of Washington, Seattle. His main research topics are stress and coping in couples, the prediction of marital decline and divorce, prevention of marital distress, marital therapy, and depression in marriage. He is a cognitive–behavioral therapist who specializes in the field of marital therapy. He developed the Couple's Coping Enhancement Training, a marital distress prevention program based on stress and coping research in close relationships. Reviews & Awards