Barry R. Bloom is Dean of the Harvard School of Public Health and Joan L. and Julius H. Jacobson Professor of Public Health. He received a bachelor's degree and an honorary ScD from Amherst College, a master's degree from Harvard University and a PhD from Rockefeller University.

Bloom is widely recognized as a scientist in the area of infectious diseases, vaccines and international health. He served as a consultant to the White House on International Health Policy from 1977 to 1978, was elected President of the American Association of Immunologists in 1984 and served as President of the Federation of American Societies for Experimental Biology in 1985. He was a member of the National Advisory Council of the National Institute for Allergy and Infectious Diseases at the National Institutes of Health (NIH), the National Advisory Board of the Fogarty International Center at the NIH, the U.S. National Vaccine Advisory Committee and the Scientific Advisory Board of the National Center for Infectious Diseases of the Centers for Disease Control and Prevention. In addition, Bloom was an Investigator at the Howard Hughes Medical Institute. He received the first Bristol-Myers Squibb Award for Distinguished Research in Infectious Diseases, the John Enders Award of the Infectious Diseases Society of America in 1994, and shared the Novartis Award in Immunology in 1998.

He is currently a member of the Ellison Medical Foundation Scientific Advisory Board, the Earth Institute External Advisory Board at Columbia University, the Scientific Advisory Board of the Wellcome Trust Center for Human Genetics in Oxford, UK, and the Advisory Council for the Paul G. Rogers Society for Global Health Research. He is a member of the National Academy of Sciences, the Institute of Medicine, the American Academy of Arts and Sciences and the American Philosophical Society.