Dr Henry Falk served in multiple capacities at CDC, including Assistant Administrator of ATSDR, Director of the National Center for Environmental Health, member of the Executive Leadership Board, and Director of the Coordinating Center for Environmental Health and Injury Prevention. He retired from the US Public Health Service Commissioned Corps after 30 years of service as Rear Admiral and Assistant Surgeon General, and from the CDC in December, 2010, although he continued there as a part-time consultant to the Deputy Director, ONDIEH/CDC on global aspects of Noncommunicable Diseases, Injury and Environmental Health until 2018. Currently, he is at Emory Rollins School of Public Health as an Adjunct Professor of Environmental Health, and also consults in global environmental health, particularly in India and Israel. At CDC, he helped start the environmental health, injury, disaster epidemiology, lead poisoning prevention, asthma, radiation studies, hazardous waste investigations, and a variety of other programs; he began his career at CDC as an EIS Officer.