Simon Paul

Simon Paul, M.D., is a Volunteer Clinical Professor in the Department of Infectious Diseases at the University of California, San Francisco (UCSF) School of Medicine. He holds multiple leadership roles, including Assistant Dean for Academic Affairs at UCSF Fresno, HIV Director at UCSF Fresno, and Medical Director of Special Services at Community Regional Medical Center.

Dr. Paul specializes in Infectious Diseases and HIV, with board certification in Internal Medicine. He earned his medical degree from Cornell University Medical College and completed residency at Parkland Memorial Hospital. His fellowship training included the NIH Physicians Scientist Fellowship at Rockefeller University.

His research focuses on HIV pathogenesis, antiretroviral therapy, and opportunistic infections. Recent work includes a 2025 study on COVID-19 reinfection and vaccine breakthrough infections in Madera County, alongside investigations into immune reconstitution inflammatory syndrome (IRIS) in AIDS patients with disseminated coccidioidomycosis and sertraline's antifungal properties.