Dr. David Heymann is currently chair of the Health Protection Agency UK; head of the Centre on Global Health Security at Chatham House, London and professor of infectious disease epidemiology at the London School of Hygiene and Tropical Medicine. Previously, he was the World Health Organization's Assistant Director-General for Health Security and Environment and the representative of the Director-General for polio eradication.
From 1998 to 2003, he was executive director of the WHO Communicable Diseases Cluster and from October 1995 to July 1998 he was director of the WHO Programme on Emerging and Other Communicable Diseases. Prior to that, he was the chief of research activities in the WHO Global Programme on AIDS.
Before joining WHO, Dr. Heymann worked for 13 years as a medical epidemiologist in sub-Saharan Africa on assignment from the U.S. Centers for Disease Control and Prevention (CDC). In this capacity he supported ministries of health in designing and implementing programs in infectious disease prevention and control, with emphasis on childhood diseases, malaria and the African haemorrhagic fevers. Prior to that, he worked in India for two years as a medical epidemiologist in the WHO Smallpox Eradication Programme.