Rachel Hall-Clifford, PhD, MPH, MSc, is a medical anthropologist working at the intersections of anthropology and public health.  Dr. Hall-Clifford conducts fieldwork in the central highlands of Guatemala on treatments for childhood diarrhea and the delivery of primary health care.  She is interested in human variation and cross-cultural attitudes toward health.  She researches the measurement of long-term impacts of public health intervention and inequalities in the distribution of health and development funding.  She is currently working on research funded by the U.S. National Institutes of Health to investigate effective training of community health workers in oral rehydration therapy and zinc supplementation in Guatemala.  She has also held medical anthropology research positions at the University of Oxford, Harvard University, and the London School of Hygiene and Tropical Medicine.  Dr. Hall-Clifford is also Co-Director of the NAPA-OT Field School in Antigua, Guatemala.