Hung Cheung, MD

President and Chief Science Officer, Cogency Environmental Group

Hung K. Cheung, MD, MPH, FACOEM, is the President and Chief Science Officer at Cogency Environmental Group in Baltimore, Maryland.

Dr. Cheung is a graduate of Loyola College in Baltimore and received his Medical degree from the University of Maryland Medical School. His first residency and board certification was in Primary Care/Internal Medicine at the University of Maryland Hospital. He later received his Master’s in Public Health degree in Environmental Sciences from the Johns Hopkins University School of Hygiene and Public Health, where he honed his environmental health investigative skills. Dr. Cheung returned for further Postgraduate training (and received his second board certification) in Preventive Medicine specializing in Occupational Medicine from the Thomas Jefferson University in Philadelphia. He achieved Fellowship status in the American College of Occupational and Environmental Medicine (ACOEM). Dr. Cheung is also a Faculty member in the Department of Environmental Health Sciences at the Johns Hopkins University Bloomberg School of Hygiene and Public Health.

For the last twenty plus years, since beginning his training at Johns Hopkins, Dr. Cheung has been working full time in Occupational and Environmental Medicine as well as in Public Health consultation where he has investigated thousands of environmental health complaints in hundreds of homes, schools, commercial office buildings, and manufacturing facilities.

In June 2000, Dr. Cheung was named the State Medical Director for the State of Maryland agencies and state employees. In that capacity, he worked closely with the State, local municipalities, and many large corporations in building safe, healthful and productive workplaces. Recently, he was the principle investigator of a large peer reviewed multi-facility U.S. Department of Defense epidemiology study where over 7,000 occupants with environmental complaints participated from over 350 study areas. He was also appointed to the ACOEM evidence-based panel for the creation of ACOEM evaluation and treatment guidelines. Additionally, Dr. Cheung was on the Maryland Governor’s Task Force on Indoor Air Quality. The Task Force met for ten months reviewing the latest literature, data, testimonies of experts and patients, and best practices, and then generated a set of recommendations to the Governor and the State Legislature in July 2002.