Dr. Walson completed his Internal Medicine and Pediatrics Residencies at Duke University, a Fellowship in Infectious Disease at the University of Washington and received his MPH from Tufts University. Dr. Walson's research interests have focused largely on studies evaluating the effects of enteric infections and HIV in Africa and South Asia. Dr. Walson is currently the PI of a large study assessing an intervention to reduce post-hospital discharge mortality in Kenyan children. Dr. Walson has extensive experience in the design and implementation of clinical trials in resource-limited settings and has spent significant time working in Kenya, Thailand, and Nepal.