Marjorie Kroeger, LMHC, CSAT Executive Director and Founder

Marjorie Kroeger LMHC,CSATMarjorie Kroeger a Certified Sex Addiction Therapist, trained by Dr. Patrick Carnes through the International Institute for Trauma and Addiction Professionals (IITAP). She is a licensed mental health counselor in the state of Massachusetts and is a member of the Massachusetts Mental Health Counselors Association and the Society for the Advancement of Sexual Health.
Marjorie has over ten years of counseling experience and has maintained a private practice in Northborough, Massachusetts since 2005, specializing in compulsive sexual behavior. Previously, she worked as a clinician for Advocates Community Counseling on the psychiatric emergency team and in the dual diagnosis program. She has also worked as an intern for Assumption College, Genesis Counseling and Community Healthlink. Her publications include a chapter in the edited book Beyond Abuse, 2008.





Martin P. Kafka MD, Consulting Psychiatrist

Martin P. Kafka MD, is a Clinical Associate Professor of Psychiatry at Harvard Medical School in Boston, Massachusetts, a Senior Clinical Associate at McLean Hospital, Belmont MA and a Distinguished Life Fellow of the American Psychiatric Association. In 2008. He was selected as a member of the Sexual and Gender Disorders Working Group (Paraphilias Sub-Working Group) of the American Psychiatric Association for the formulation of the Diagnostic and Statistical Manual, 5th Edition due for publication in 2113. In 2010, Dr. Kafka was awarded the Carnes Award for achievement by the Society for Sexual Health.

His research interests include the developmental antecedents and clinical manifestations of hypersexuality, the paraphilias, and paraphilia-related disorders, as well as the pharmacologic treatment of these conditions. Dr. Kafka has published over 35 peer-reviewed original research, review articles and book chapters on issues related to sexual impulsivity disorders. Dr. Kafka is a charter member of the International Association for the Treatment of Sex Offenders, the Association for the Treatment of Sexual Abusers (ATSA) and the International Academy of Sex Research. He serves on the editorial boards of Sexual Abuse: A Journal of Research and Treatment and Sexual Addiction & Compulsivity: The Journal of Treatment and Prevention. He was the president of the Massachusetts chapter of ATSA from 2001-2007.

Dr. Kafka has given many presentations nationally and internationally on Axis I comorbidity in males with paraphilias, pharmacologic treatment for sexual offenders, and male hypersexual desire disorders, as well as publishing book chapters and many articles on these topics in such peer-reviewed journals as International Journal of Offender Therapy and Comparative Criminology, Annals of the New York Academy of Sciences, Journal of Clinical Psychiatry and Sexual Abuse: A Journal of Research and Treatment and the Archives of Sexual Behavior. He participated in a scientific meeting on the theme of pedophilia that took place in the Vatican in 2003 and has also given plenary lectures in Caracas, Venezuela, Torino Italy, Vienna Austria, Athens Greece, Hamburg Germany and Jerusalem Israel .

Dr. Kafka received his medical degree, (cum laude) from Downstate Medical Center in Brooklyn, New York. He completed an internship and a residency in psychiatry at the University of Michigan Medical Center in Ann Arbor.


William Chilton, Marketing Director

Will Chilton is the marketing director from the Stony Brook Center. William holds a B.A. in Economics from Macalester College, and is equipped with an arsenal of technical and creative skills, that make him invaluable for growing the Stony Brook Center. He also runs the creative services firm, Astro, and is a freelance photographer as well.