Ronald is an Immunology lecturer in the department of Pathology. He is also the chair of MUCHS and MTRH Laboratory Services Division in addition to being director of the ARL Laboratories. Prior to joining the university, he worked with the Ministry of Health as a medical officer at Iten District Hospital and Kocholwa Sub-District Hospital where he also served as the Medical Superintendent. He is currently pursuing a PhD at the University of the Witwatersrand having been awarded a CARTA PhD fellowship.