Dr. Clifford Penner and his wife, Joyce, are sexual therapists and educators. They work as a team in counseling couples and individuals, leading sexual enhancement seminars for couples, teaching sex education for pre-teens and their parents, and more. Cliff is a clinical psychologist who earned his Ph.D. from Fuller's Graduate School of Psychology in Pasadena, Calif. Joyce a clinical nurse specialist, with a bachelor's degree in nursing from the University of Washington and a master's degree in psychosomatic nursing and nursing education from U.C.L.A. Visit the Penners' website, www.passionatecommitment.com, to learn more about their work, their books and DVDs, and their seminars for healthy sexuality.