Our Team

The sex therapists at the U-M center for sexual health are licensed social workers who have received specialized training in helping people resolve sexual difficulties.

Sex therapists provide:

  • Sex therapy for individuals or couples to help you improve sexual function, sexual confidence and sexual relationships
  • Collaboration with your medical providers
  • Collaboration with providers who can sometimes help with problems that contribute to sexual difficulties, such as physical therapists, psychiatrists, sexual medicine nurse practitioners, physicians, or gynecologists
  • NO physical examination, nor prescription of medications are offered at the center for sexual health
  • NO sexual activity is ever practiced in the therapist’s office

Sex Therapist Certification

  • The American Association of Sexuality Educators, Counselors and Therapists (AASECT) is a national credentialing body that certifies sex therapists, counselors and educators
  • All of the therapists at the center for sexual health are licensed social workers and are AASECT Certified Sex Therapists.
  • AASECT credentials sexual health professionals on the basis of rigorous standards for academic preparation, supervised training and consultation, field-related experience and applied skills.


Mieke Beckman, LMSW, CST is a Clinical Social Worker and a Certified Sex Therapist at the center for sexual health. Mieke also provides brief sexual health counseling in two UMHS gynecology clinics:  the Women With Developmental Disabilities clinic, and the Pediatric and Adolescent clinic. She specializes in sexual health and women's health, and her clinical interests include sexuality and disability, male and female sexual function, women's health, intimacy in relationships, and sexual health education.

Mieke’s pronouns are she/her/hers


Joyce A. Glisson, LMSW, CST, is a Clinical Social Worker and AASECT Certified Sex Therapist at the center for Sexual Health.  She provides psychotherapy and sexual health education for many kinds of sexual concerns.

Her clinical expertise and interests include women’s vulvar diseases and pain, male and female sexual difficulties, medical or pain disorders interrupting sexual function, relationship and intimacy concerns, and sexuality and aging.

Joyce’s pronouns are she/her/hers.  


Lindsay Matthews LMSW

Lindsay Matthews, LMSW, CST is a Clinical Social Worker and AASECT Certified Sex Therapist at the center for Sexual Health.  Lindsay provides psychotherapy at the center for Sexual Health for a vast array of sexual health concerns. She also works as the sex therapist at the Michigan Medicine Center for Vulvar Diseases, Department of Gynecology, as well as the Prostate Cancer Survivorship Clinic in the Department of Urology.  Her clinical interests include working with LGBTQ populations, sexuality and aging, alternative relationship formations such as polyamory, couples intimacy and relationship concerns, and sexual health education.

Lindsay's pronouns are she/her/hers.


Daniela Wittmann, Ph.D., LMSW, CST, is Clinical Assistant Professor of Urology and Adjunct Clinical Assistant Professor of Social Work. She specializes in the area of sexual recovery after chronic illness, with particular emphasis on prostate cancer. Her research interests include adjustment to chronic illness and the development  and evaluation of sexual health interventions for couples when one member is recovering from cancer or another chronic illness.


Sara Zocher 

Sara Zocher, LMSW is a clinical social worker and sex therapist at the Center for Sexual Health. She is also a counselor at the Michigan Medicine Center for Vulvar Diseases in the Department of Gynecology. Her clinical interests include women’s health and the impact of pain or disease on sexuality, sexuality related to psychological conditions, trauma, or the aging process, and relationship and intimacy concerns.

Sara’s pronouns are she/her/hers.

To schedule an appointment with one of our therapists, call 734-763-4963