Cheri Mah, MD, MS
Head, Sleep Medicine Program
UCSF School of Medicine

Cheri D. Mah, MD, MS, is a sleep physician with a specialization on the relationship between sleep and performance in elite athletes. Dr. Mah consults with professional teams in the NFL, NBA, NHL, and MLB as well as international sports organizations on optimal sleep, travel, and performance strategies. She has worked with professional teams such as the World Champion Golden State Warriors (NBA), San Francisco Giants (MLB), San Jose Sharks (NHL), Super Bowl Champion Philadelphia Eagles (NFL), Toronto Blue Jays (MLB), among other teams. Dr. Mah’s experience also includes serving as the sleep expert for the Nike Performance Council, advising Supermoon Capital, and working with companies such as Gatorade, ESPN, Google, and various sleep technology startups. Her research and work have been featured in national and international media including the NY Times, ESPN, NPR, NBC Bay Area, Time, BBC, and the Wall Street Journal. Dr. Mah received her M.D. at the University of California San Francisco, and her M.S. in Biological Sciences at Stanford University. She is board-certified in Internal Medicine having completed Internal Medicine Residency at Kaiser San Francisco and a Sleep Medicine Fellowship at the Stanford Sleep Medicine Center.