Andrew Christensen, PhD, is Professor of Psychology at the University of California, Los Angeles. He has published widely on couple conflict and couple therapy. With Neil Jacobson, Dr. Christensen developed a treatment program for couples called Integrative Couple Therapy. Reconcilable Differences is a couples' guide to their approach. Currently, Dr. Christensen is directing a research study at UCLA and the University of Washington, sponsored by the National Institute of Mental Health, which examines the outcome of two important approaches to couple therapy, including Integrative Couple Therapy. This is the largest study to date of the effectiveness of marital therapy.

Neil S. Jacobson, PhD, was Professor of Psychology at the University of Washington until his death in 1999. One of the most widely cited family therapists in the world, he was author of 200 articles and 9 books. His contributions to the fields of family therapy and mental health were recognized by prestigious research awards from the American Family Therapy Academy, the American Association for Marriage and Family Therapy, and the National Institutes of Health.