Dr. Tien is Professor of Medicine at the University of California, San Francisco (UCSF), and Chief of the Infectious Diseases Division at the San Francisco Veterans Affairs Health Care System. She completed her medical degree at UC San Diego, medical residency and fellowship in Infectious Diseases and Geographic Medicine at Stanford University and a second fellowship in AIDS Prevention Studies at UCSF. She also holds a master’s degree from the Harvard School of Public Health. Her research program examines the mechanisms by which chronic viral infections (specifically HIV and HCV) and their associated metabolic and immune perturbations impact long term organ injury in adults.
She has served as Chair of the Inter-CFAR Collaboration on HIV Research in Women, Co-Chair of the Executive Committee of the Multicenter AIDS Cohort Study (MACS)/Women's Interagency HIV Study (WIHS) Combined Cohort Study (MWCCS)---two of the largest and longest running NIH-funded prospective cohorts of men and women with and without HIV in the U.S., and Chair of the NIH AIDS Clinical Epidemiology Study Section. She was a member of the DHHS Antiretroviral Guidelines Panel and is currently a member of the NIH AIDS Research Study Section and the NIH COVID-19 Treatment Guidelines.
