Yarrow is a PhD student in the ESE department at the Gillings School of Global Public Health, with research interests in Water, Sanitation and Hygiene for development. She received her B.S. in Environmental Health from the University of Washington, where she conducted water microbiology laboratory research, including method development for detection of enteric pathogens. Following graduation she served as a health volunteer in the Peace Corps in Tanzania, inspiring further global health work. Yarrow’s graduate research involves the Maputo Sanitation (MapSan) and PAASIM trials, looking at the geospatial distribution of enteric pathogens in the community and waterborne exposures. She is a National Science Foundation Graduate Research Fellow.