Cedars-Sinai is a nonprofit academic healthcare organization in Los Angeles and the largest nonprofit hospital in the western United States, tracing its roots to the 12-bed Kaspare Cohn Hospital opened in 1902. It runs Cedars-Sinai Medical Center, Cedars-Sinai Marina Hospital and the Cedars-Sinai Medical Network, with 1,052 licensed beds, about 17,400 full-time employees and more than 2,600 research projects (FY2025). Peter L. Slavin, MD, former president of Massachusetts General Hospital, has been president and CEO since October 2024.