
Charles Czeisler, PhD, MD, FRCP
Dr. Charles A. Czeisler is the Baldino Professor of Sleep Medicine, Director of the Division of Sleep Medicine at Harvard Medical School and Chief of the Division of Sleep Medicine in the Department of Medicine at Brigham and Women’s Hospital in Boston, Massachusetts. Dr. Czeisler has more than 30 years’ experience in the field of basic and applied research on the physiology of the human circadian timing system and its relationship to the sleep-wake cycle. For more than a decade he served as Team Leader of the Human Performance Factors, Sleep and Chronobiology Team of NASA’s National Space Biomedical Research Institute, which is responsible for developing sleep-wake schedule guidelines and related countermeasures for use by NASA astronauts and mission control personnel during space exploration. Dr. Czeisler has served on and consulted to a number of national and international advisory committees, including the National Institutes of Health, the Institute of Medicine, the National Academy of Sciences, the Sleep Research Society, the Nuclear Regulatory Commission, the Air Force Office of Scientific Research, the Air Transport Association and the Federal Motor Carrier Safety Administration of the US Department of Transportation.