Dr. Jonathan Grein is an infectious disease physician and the Director of Hospital Epidemiology at Cedars-Sinai Medical Center since 2016. He is co-chair of the Infection Prevention and Control Committee and oversees the Cedars-Sinai regional Special Pathogens Program. He is a Clinical Professor with the David Geffen School of Medicine at UCLA and attends on the Infectious Disease clinical service at Cedars-Sinai. Dr. Grein received his medical degree from the University of California, Los Angeles in 2004. He completed his medicine residency at Cedars-Sinai Medical Center in 2007, and his infectious diseases fellowship at the UCLA-Affiliated Program in Infectious Diseases in 2009.