Sex Therapy Program Faculty
Nancy Gambescia , PhD, CSTS directs the Post Graduate Certificate Program in Sex Therapy at the Council for Relationships. She is also a clinical associate in Psychiatry at the Perelman School of Medicine at the University of Pennsylvania. Dr. Gambescia has over 30 years of experience teaching, supervising and working with individuals and couples. Dr. Gambescia is a Clinical Fellow and Approved Supervisor in the American Association of Marriage and Family Therapy (AAMFT) and a Certified Sex Therapist and Supervisor in the American Association of Sexuality Educators Counselors & Therapists (AASECT) and a clinical member of the Society for Sex Therapy and Research (SSTAR). Dr. Gambescia has coauthored six books, several journal articles and textbook chapters, which focus on relationship and sexual issues. She has conducted numerous presentations in The United States and Europe on couple and sex therapy. Dr. Gambescia completed her clinical training at the Council for Relationships (formerly Marriage Council of Philadelphia) and her doctorate at the University of Pennsylvania (1983).

Stephen J. Betchen, DSW, CSTS, is a Licensed Marriage and Family Therapist, an Approved Supervisor of the American Association for Marriage and Family Therapy (AAMFT), a Certified Supervisor of the American Association of Sexuality Educators, Counselors and Therapists (AASECT), and a Clinical Member of the Society for Sex Therapy and Research (SSTAR). He serves as a Senior Supervisor in the Post-Graduate Sex Therapy Program at Council for Relationships and an Adjunct Clinical Professor in the Department of Couple and Family Therapy, Jefferson College of Health Professions, Thomas Jefferson University. Dr. Betchen lectures extensively and has published several books and professional papers on relationships. His most recent book (with Heather Davidson) is Master Conflict Therapy: A New Model for Practicing Couples and Sex Therapy (Routledge, 2018). He is an official blogger for and currently maintains a full-time private practice in Cherry Hill, New Jersey specializing in couples and sex therapy.

Kimberly Ludwigsen, PhD, CST is an integral part of the clinical training program at Council for Relationships (CFR), Philadelphia, PA. She teaches postgraduate MFT (marriage and family therapy) interns and also Sex Therapy trainees. Additionally, she conducts experiential workshops in sexuality (sexual attitude reassessment programs) for CFR’s postgraduate trainees and other professionals interested in earning credentials towards Sex Therapy certification. Dr. Ludwigsen is a member of the American Association of Sexuality Educators, Counselors and Therapists (AASECT), and the National Association of Social Workers (NASW). She earned certificates in couples and family therapy and sex therapy at CFR, and a Doctorate in Human Sexuality from Widener University. In addition to her responsibilities at CFR, Dr. Ludwigsen maintains a private practice in Voorhees, New Jersey specializing in individual, relational and sex therapy with a wide range of clients seeking help in these critical areas. Her therapeutic style draws from a variety of treatment approaches, including but not limited to Couple and Family Systems Therapy. Her therapeutic approach honors and respects the emotional, relational, cultural, and sexual orientation of every person.