Harvard Medical School
Clinical Instructor
Self-employed
Book Author
Massachusetts Institute of Technology
Research Scientist; Biological Engineering
Brigham and Women's Hospital
Physician; Pulmonary and Critical Care Medicine
Massachusetts Institute of Technology
Director of Environmental Medicine
Boston University Medical Center
Director of Occupational and Environmental Medicine
Massachussets General Hospital
Staff Physician, Pulmonary Unit
American College of Occupational and Environmental Medicine
President
Drexel University
Harvard School of Public Health
Jefferson Medical College of Thomas Jefferson University