Meet your team

This study is a partnership between four clinics that are leaders in providing trans-specific health care in the Bay Area and researchers at the San Francisco Department of Public Health. The Stay Study team includes Dr. Albert Liu, an expert in PrEP and biomedical HIV prevention, Dr. Erin Wilson, a leader in HIV research with trans people, Seth Pardo, Sean Arayasirikul, Jayne Gagliano, Xristina Rodriguez, and Corey Drew. The Stay Study is funded by the California HIV/AIDS Research Program (CHRP).

Study Sites

Health Center

39500 Liberty Street
Fremont, CA 94538

Castro Mission
Health Center

3850 17th Street
San Francisco, CA 94114

Tom Waddell Urban
Health Center

230 Golden Gate Avenue
San Francisco, CA 94102

San Francisco
Community Health Clinic

730 Polk Street
San Francisco, CA 94109

Study Team

Erin Wilson, DrPH

Principal Investigator

Dr. Wilson is a Senior Research Scientist at the Center for Public Health Research (CPHR) at the SF Department of Public Health and an Assistant Professor in the Department of Epidemiology and Biostatistics at the University of California, San Francisco. She is one of a small number of researchers whose main focus is reducing HIV risk and improving HIV care outcomes among transgender people in the U.S. and internationally.

Albert Liu, MD MPH

Principal Investigator

Dr. Liu is the Clinical Research Director at Bridge HIV and Assistant Clinical Professor of Medicine at the University of California, San Francisco. His research focuses on the evaluation of PrEP as an HIV prevention strategy, including ways to promote PrEP adherence and support. He served as Medical Officer of the Global iPrEx study and led the US PrEP Demonstration Project evaluating PrEP delivery in STD clinics and an LGBT health center.

Seth Pardo, PhD


Dr. Pardo is an adjunct professor in psychology in the California Bay Area, and currently leads the program evaluation of SFDPH Transgender Health Services. Over the past decade, Dr. Pardo has worked at the intersection of the social, psychological, medical, and public health issues that concern underserved and marginalized communities, particularly among trans* and gender non-binary identified individuals.

Sean Arayasirikul, PhD


Sean is a Research Scientist at the Center for Public Health Research at the San Francisco Department of Public Health. He directed the SHINE Study which was the first NIH-funded longitudinal study of HIV risk and resilience among young trans women in the San Francisco Bay Area. Deeply committed to LGBT health, trans and adolescent health, he has served on HIV Prevention Planning Committees in Los Angeles, Washington, D.C., and San Francisco.

Jayne Gagliano, BA

Study Coordinator

Jayne Gagliano holds a Bachelor of Arts in Human Biodynamics from UC Berkeley. She is a spirited transgender activist and ally. She was one of the nation’s first PrEP navigators, and is credited with developing a navigation model that has been implemented at numerous clinics and health care centers throughout the US. She assists in moderating the PrEP Facts Facebook group, which boasts over 18,000 international members. She is passionate about expanding PrEP access to marginalized communities, especially for those who cannot advocate for themselves.

Xristina Rodriguez

Research Associate & PrEP Navigator

Xristina has been an activist, provider and researcher working in HIV prevention and care with the trans community since 2002. Xristina was born in the Dominican Republic and when she first arrived to San Francisco was part of the first ever Transgender Gospel Choir named “Transcendence”. She is also a performer and actress most recently starring in a transgender docu-series entitled “Transcendent” on Fuse.