Stefanos Kales, FACP, MD, MPH

Associate Professor and Director
Occupational and Environmental Medicine Residency
Harvard T.H. Chan School of Public Health

Associate Professor of Medicine
Harvard Medical School

Dr. Kales is an Associate Professor of Medicine at Harvard Medical School, and Associate Professor & Director of the Occupational Medicine Residency at the Harvard T.H. Chan School of Public Health. Dr. Kales is also the Chief of Occupational & Environmental Medicine and Medical Director for Employee Health & Industrial Medicine at the Cambridge Health Alliance, a Harvard-affiliated hospital system. He has participated in a wide range of research, advisory and teaching activities on five continents resulting in over 85 publications and wide recognition nationally and internationally. As a result of his expertise regarding obesity and cardio-metabolic risk factors and leading several scientific investigations related to obstructive sleep apnea (OSA) in transportation, he was invited to join the Harvard Division of Sleep Medicine. He was among the first occupational medicine directors to institute an objective OSA screening protocol for commercial drivers in a busy clinic dealing with driver medical certifications. His group is currently examining psychomotor vigilance testing and driving simulation in relationship to BMI and adiposity and OSA as a potential “in clinic” tools for detecting fatigue/sleep disorders in the occupational health setting. Dr. Kales has also lectured at regional, national and international meetings on OSA screening from the standpoint of occupational health.