Martin J. Blaser(born 1948) is the Muriel G. and George W. Singer Professor of Translational Medicine, Director of the NYU Human Microbiome Program, former Chair of the Department of Medicine, and Professor of Microbiology at New York University School of Medicine. In 2013 he was elected to the American Academy of Arts and Sciences. He is an established researcher in microbiology and infectious diseases. Blaser's work has focused on Helicobacter pylori, Campylobacter species, Salmonella Bacillus anthracis, and more recently on the human microbiome.
Blaser obtained his undergraduate education from the University of Pennsylvania in 1969, graduated from the New York University School of Medicine in 1973, and did his post-graduate training at the University of Colorado School of Medicine from 1973 to 1979. Blaser was an Epidemic Intelligence Service Officer at the Centers for Disease Control and Prevention from 1979 to 1981.
In 1998, Blaser established the Foundation for Bacteria, which started the Virtual Museum of Bacteria.
In 2005, Blaser was elected the President of the Infectious Diseases Society of America. He has served the National Institutes of Health on the Board of Scientific Counselors of the National Cancer Institute (2005–2010; Chair 2009–2010), and on the Advisory Board for Clinical Research (2009–2013; Chair 2012-2013). In 2011, he was elected into the National Academy of Medicine (formerly Institute of Medicine), in recognition of professional achievement and commitment to service in medicine and health.