Our Directors

Executive Director – Cindy Gyori, LCSW

Cindy Gyori has worked in the Tenderloin providing community mental health services since 1973, when she was first hired as an outreach worker on the Tenderloin Outreach Team.  She returned to school and obtained an MSW from the Berkeley School of Social Welfare in 1976, and then, returned to the Tenderloin Clinic and became the team leader of the Outreach Team and, in 1981, the Clinical Coordinator of the Tenderloin Clinic. She obtained her LCSW in 1989.

In 2002, Ms. Gyori spearheaded the creation of Hyde St. Community Services, Inc. a community based non-profit, which was awarded the contract from the San Francisco Department of Public Health to continue to provide behavioral health services in the Central City.  She became the first Executive Director of HSCS, overseeing the Tenderloin Outpatient Clinic and the Hyde St. Full Service Partnership.


Medical Director – Dr. Yates Brown, MD

Dr. Brown joined the staff of the Tenderloin Clinic of Hyde St. Community Services, Inc. in July, 2008 after relocating from South Carolina where he had worked for the Department of Veterans Affairs Medical Center. He received his Doctor of Medicine at the Medical College of Georgia in 2002 and completed his residency at the Medical University of South Carolina in 2006.

In July 2009, he was promoted to Medical Director of HSCS, leading a team of 2 psychiatrists, 2 Nurse Practitioners and one Psychiatric Technician.


Clinical Director – Linda Zaretsky, LMFT

Linda Zaretsky has worked at the Tenderloin Clinic 9/5/1982 as a therapist and was promoted to the position of Clinical Director in January of 1994, the position she still holds.

Ms. Zaretsky has dedicated the last 32 years to providing community mental health services. She began her career in community mental health in 1982 as a Licensed Psychiatric Technician, returning to school at the Professional School of Psychology to obtain her MA in Counseling Psychology.  She obtained her M.F.C.C. (LMFT) license in 1985.


Director of Training – Marcia VanDyke, PhD

Marcia VanDyke  began working as a staff psychologist at the Tenderloin Clinic February of 2012 . In July of 2012 she was promoted to the position of Director of Training. Dr. Van Dyke received her MA in Psychology from Columbia University in 1988 and her PhD from Pacific Graduate School of Psychology in 1996.  She has spent many years in direct service in community mental health settings since 1972 and has 14 years of experience as a clinical supervisor, and as faculty of the Wright Institute.



Our Staff