Heitler, Susan: - A graduate of Harvard and NYU, Dr. Susan Heitler is a clinical psychologist practicing in Denver. Her first book for therapists was "From Conflict to Resolution." She followed this up with resources for couples who want to improve their marriage: "Power of Two and The Power of Two Workbook." Dr. Heitler's master therapist video on couples' therapy, "The Angry Couple," is used in training programs globally; she has lectured on her treatment methods in China, Australia, Europe, and the Middle East, where she recently keynoted the regional psychological conference in Beirut.