Jamie M. Zeitzer, Ph.D., is Professor of Psychiatry and Behavioral Sciences and Co-Chair of the Center for Sleep and Circadian Sciences at Stanford University. An internationally recognized authority in sleep and circadian science, he has authored more than 150 peer-reviewed publications, including papers in PNAS, JAMA, Sleep, and Nature-family journals. His work integrates neurobiology, light exposure, wearables, and clinical trials to advance sleep health across the lifespan, alongside a long-standing commitment to interdisciplinary mentorship and public engagement.