Margaret Hamburg is a highly regarded expert in community health and bio-defense and served as health commissioner for New York City from 1991-1997.
From 1986 to 1988, Hamburg served in the U.S. Office of Disease Prevention and Health Promotion, and from 1989 to 1990 she was assistant director of the National Institute of Allergy and Infectious Diseases at NIH, where her work focused on AIDS research.
In 1990, she left the NIH to serve as deputy health commissioner for New York City. Within a year, she was promoted to health commissioner. During her term as health commissioner, she also held academic positions at Columbia University School of Public Health and Cornell University Medical College, both in New York City.
Since 2001, she has been vice president for biological programs at the Nuclear Threat Initiative, a foundation dedicated to reducing the threat to public safety from nuclear, chemical, and biological weapons. She is a leading advocate for changes in the nation’s public health policies and infrastructure, from local health departments to the highest levels of government, to meet the challenges presented by modern bioterrorism. She is a distinguished senior fellow with the Center for Strategic and International Studies.
Source -http://www.nlm.nih.gov/changingthefaceofmedicine/physicians/biography_136.html