Dr. Waldor is an investigator of the Howard Hughes Medical Institute at the Brigham and Women’s Hospital in Boston. He is also the Edward H. Kass Professor of Medicine at Harvard Medical School. As an undergraduate at Yale University, he studied he studied philosophy and biology. He carried out his doctoral work with Larry Steinman and received his M.D. and Ph.D. degrees from Stanford University. After an internal medicine residency at Brigham and Women’s Hospital and an infectious disease fellowship at Massachusetts General Hospital, he did postdoctoral research with John Mekalanos at Harvard University. He is a recipient of the Squibb Award from the Infectious Disease Society of America and a fellow of the American Academy of Microbiology. The Waldor lab studies the evolution, cell biology and pathogenicity of enteric bacteria that cause human disease.