Photo of Stefanos Kales

Stefanos Kales, MD, MPH, FACP, FACOEM (OEMR 1992)

  • Director, Occupational and Environmental Medicine Residency
  • Professor in the Department of Environmental Health, Harvard School of Public Health
  • Division Chief of Occupational and Environmental Medicine, Cambridge Health Alliance
  • Professor of Medicine, Harvard Medical School
  • Areas of specialty: Firefighter’s health; Hazardous materials and chemical emergencies;
    Heavy metals; Predictors of cardiovascular outcomes.
Photo of Justin Yang

Justin Yang, MD, MPH (OEMR 2019)

  • Assistant Director, Occupational and Environmental Medicine Residency
  • Medical Director, Employee and Occupational Health, Atrius Health/ Harvard Vanguard Medical Association
  • Medical Director, Quit Genius
  • Clinical Instructor, Harvard TH Chan School of Public Health
  • Areas of specialty: employee wellness and mental health, digital health, substance use disorder