She is also an attending physician in the Infectious Diseases Division at MGH. Dr. Lesser began her research training as an undergraduate student at Brown University in the lab of Dr. Art Landy and completed her MD and PhD training at UCSF where she conducted her graduate studies in Dr. Christine Guthrie’s lab. She then continued her clinical training in Internal Medicine and Infectious Diseases and her post-doctoral research in Dr. Sam Miller’s lab both at the University of Washington. Her laboratory studies type III secretion systems, transkingdom protein delivery systems, common to many Gram-negative pathogenic bacteria.