Dr. Marie earned her bachelor's of science in Microbiology, with minors in Chemistry and Spanish from Oregon State University and her Ph.D. in Pathobiology from the University of Washington. She is a past CDC Emerging Infectious Disease fellow. She currently leads a laboratory research program at the University of Virginia focused on identifying unique immune mechanisms that determine human susceptibility to enteric pathogens. Other areas of her research include the cellular and immune mechanisms of environmental enteropathy in children in Bangladesh and the interaction of microbial therapies and the immune response during treatment for recurrent Clostridium difficile infection.