Michael Li, PhD, MPH

Michael Li, PhD, MPH, Assistant Professor in the UCLA Department of Family Medicine. They serve as a Project Director on multiple studies under Dr. Shoptaw while developing their own research on the role of stress biology in the links between social adversity, substance use, and HIV in sexual minorities of color. Dr. Li received a Bachelor degree in Biological Sciences from UC Irvine, a Master of Public Health from Cal State Fullerton, and a PhD in Preventive Medicine from the University of Southern California. They also served as a postdoctoral fellow at CBAM prior to being promoted to a faculty position.

Contact: mjli@mednet.ucla.edu

Featured Publications:

1. Reback, C. J., Lin, C., Li, M. J., Fletcher, J. B., & Mata, R. P. (2025). A Treatment Mobile App for Sexual Minority Men Who Use Methamphetamine Demonstrates Reductions in Methamphetamine Use and HIV Sexual Risk Behaviors: Getting Off. AIDS and behavior, 29(12), 3783–3793.

2. Reback, C. J., Lin, C., & Li, M. J. (2025). A Methamphetamine Treatment Mobile App for Sexual Minority Men: App Utilization, Engagement, and Completion. Substance use & misuse, 60(12), 1897–1904.

3. Diep, N. B., Trang, N. T., Huy, D. D., Van, H. T. H., Truc, T. T., Van Dung, D., Li, M. J., Shoptaw, S. J., Li, L., & Giang, L. M. (2025). Non-adherence to treatment and concurrent opioid use among people on methadone maintenance treatment using methamphetamine in Vietnam. Journal of substance use and addiction treatment, 173, 209686.

Last updated: 11/20/2025