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Bat Sheva Marcus, LCSW, MPH, PhD, Clinical Director

Bat Sheva Marcus is a certified sex therapist and the Clinical Director of Maze Women’s Sexual Health, one of the largest centers for women’s sexual health in the country. Dr. Marcus wrote her dissertation on women and vibrator use while earning her Doctor of Philosophy in human sexuality from the Institute of Advanced Study of Human Sexuality. She also has a Master’s in public health from the same institution. She is a licensed social worker with a Master’s degree from Columbia University.

Although in recent years her work has focused on the area of female sexuality, in the past she has also worked as the executive director of not-for-profit institutions and corporations, medical practices and laboratories. She is a frequent guest on television and radio, has lectured both nationally and overseas on a wide variety of women’s issues and has been extensively profiled in local and national publications.

Read Dr. Bat Sheva Marcus’ PhD Dissertation: Changes in a Woman’s Sexual Experience and Expectations Following the Introduction of Electric Vibrator Assistance

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Melissa Ferrara, MS, FNP-BC, Associate Medical Director

Melissa Ferrara is a nationally board certified Family Nurse Practitioner. She holds a bachelor’s degree in biology from Siena College and received a bachelor’s degree in nursing and master’s degree as a nurse practitioner from Pace University. She has been practicing women’s health for more than 15 years and specializes as a female sexual dysfunction clinician.

Melissa’s passion is caring for women, utilizing a holistic approach and developing new and innovative treatments for all areas of sexual dysfunction, including desire, arousal, orgasm and pain. She integrates culturally competent care to help produce optimal outcomes for her patients. She has presented on the topic of Female Sexual Dysfunction at numerous conferences and has been an investigator on several clinical trials for medications for female sexual dysfunction. Additionally, Melissa is a clinical preceptor for Nurse Practitioner students at Pace University.

Jennifer Dembo, LMSW

Jen Dembo earned her Masters of Social Work at Simmons University and her Bachelor of Science in Communications at Boston University. She is a certified DONA (Doulas of North America) labor support doula and received her childbirth educator training from the Childbirth Education Association of Metro New York. Jen serves as the Postpartum Support International (PSI) Co-Coordinator for Westchester County. She has worked with women and their families since 2004 and has attended over 100 births throughout New York City and the tri-state area in homes, birth centers, and hospital settings.

Jen’s comprehensive approach focuses on the physical, sexual, emotional, cultural, and psychological factors that influence a women’s health throughout the life span. She has training in maternal mental health and perinatal loss and has earned certifications in comfort measures for labor practice and challenges for pregnant/postpartum survivors of childhood sexual abuse. She is the former president of the Hudson Valley Birth Network and currently serves as founder and chair of its Social Justice Committee. Jen is a board member of Birth Education Beyond the Ordinary (BEBO), which provides low-cost childbirth education and labor, postpartum and lactation support services. She is also a member of the National Association for Perinatal Social Workers, the National Association of Social Workers, and of Evidence Based Birth. Jen’s mission is to inform women about their many reproductive and sexual health options and to promote self-advocacy in regard to personal needs and preferences.

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Cathleen Kneidl, RPA-C, Assistant Medical Director, Long Island Office

Cathleen earned her physician assistant degree from Albany Medical School. Prior to that, she earned a B.A. in social sciences from the State University of New York at Stony Brook. She has been a physician assistant specializing in women’s health issues for more than 20 years, and is a Certified Menopause Practitioner through the North American Menopause Society (NAMS). She has worked with gynecologists, infertility specialists and general practitioners. Cathleen also worked at Planned Parenthood for the past 15 years, meeting the obstetrical and gynecological needs of women. Cathleen believes that every woman should be able to work with her healthcare provider to develop the best treatment plan for her.

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Helen Leff, LMSW, Sexuality Counselor 

Helen Leff, LMSW, holds a Master Degree in Social Work with over 25 years of experience. She earned a BS in Special Education from City College of the City University of N.Y. and studied at Tel Aviv University in Israel. Helen received her Master’s degree in social work from New York University. She attended the Advanced Training Program in Psychotherapy at the Postgraduate Center for Mental Health.

Helen has devoted many years providing counseling and advocacy services to families of children with developmental disabilities both at the Shield Institute as well as the Hebrew Academy for Special Children (HASC). She has extensive experience working with single mothers and has always been passionate about championing women and committed to issues promoting women’s health and welfare. She believes that “Life is not about waiting for the storm to pass, it’s about learning to dance in the rain.”

Throughout her career as a mental health professional, Helen has endeavored to take a holistic view in understanding the needs of individuals as well as incorporating the larger family and social dynamics effecting them. A tireless advocate, Helen’s greatest professional satisfaction comes from helping those in need to develop self-empowerment skills to take greater control of their situations and to become their own best ally, adviser, and advocate.

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Nicole Tammelleo, MA, LCSW, Psychotherapist

Nicole Tammelleo is a licensed clinical social worker and psychotherapist specializing in sexuality and women’s health.  After college she volunteered with the Peace Corps in Cameroon where her interest in empowering women and sexuality started. From there Nicole has worked at both the national and international level as an educator providing workshops, curriculum development and direct therapeutic service related to sexual health.

She earned an MA in Medical Anthropology as well as a Masters in Social Work from Hunter College, the City University of New York. She has training in trauma informed therapy, dialectic behavior therapy and completed post-graduate training at the William Alanson White Institute in Interpersonal Psychotherapy.  Nicole has created a holistic approach to sexuality and believes understanding one’s own sexuality is the best place to start.  

Leslie Turner, WHNP, CNM, Women’s Health Nurse Practitioner 

Leslie Turner is a nationally board certified midwife and women’s health Nurse Practitioner.

She received her undergraduate degree in psychology from Yale and her graduate degree in women’s health and midwifery from Columbia University.

Her background is in integrative medicine, having began her career doing research and clinical work with Dr. Mehmet Oz at Columbia-Presbyterian Hospital in NYC. She has specialized in women’s health and gynecology for over 15 years.

Leslie is very interested in the mind/body connection and how it relates to a woman’s health and sexuality. As such, she strives to work with her patients to develop a personalized, holistic approach to address their sexual health and wellness concerns.

MICHAEL A. WERNER, MD, FACS, MEDICAL DIRECTOR

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Although Dr. Werner does not generally see patients, he reviews all evaluations and lab results, oversees all treatment, and follows all patient care. Upon request, he is always available for consultation after the initial evaluation.

Dr. Werner is a board-certified urologist who received his specialized fellowship training in male infertility and surgery, and male sexual dysfunction at Boston University Medical Center. Dr. Werner completed his urology residency at Mount Sinai Medical Center in Manhattan and received his medical school training at the University of California at San Francisco. He holds an undergraduate degree in Biology from Harvard College.

Dr. Werner’s private practice is limited to male infertility and male sexual dysfunction. He lectures and writes extensively on these topics in medical journals and books. More importantly, his concentration in these areas means he practices the latest and most advanced treatments and surgical techniques, ensuring the greatest likelihood of success for his patients.

“You don’t have to suffer with ED if you deal with a specialist in the field; not strictly a urologist, but someone who’s trained and practiced for years in this area. Dr. Werner was a totally upbeat guy and easy to talk to. He was that specialist for me.”
— Jim, February 2010

As the Medical Director of Maze Sexual & Reproductive Health, Dr. Werner diagnoses and treats erectile dysfunction, premature ejaculation, impotence, andropause, and the many causes of male infertility. The practice is founded on the belief that patients should have a complete understanding of the medical options available to them, and that the patient and physician should decide, together, on the course of treatment that makes the most medical and personal sense.