Is an infectious diseases physician and a researcher with PEPFAR Public Health Evaluations at Makerere University Walter Reed Project.  Jonathan has a bachelor of Medicine degree and Masters of Internal Medicine degree from Makerere University College of Health Sciences. His research interest is on microbiological based diagnosis of latent tuberculosis infections and the causes of the immunological defects that lead to progression from latent to active tuberculosis infections. For his PhD project, Jonathan seeks to determine whether Mtb  is detectable in peripheral blood long term pluripotent hematopoietic stem cells (LT-pHSC) in latent tuberculosis infection and whether it is cleared by isoniazid preventive therapy.