As an EDCTP1 Senior Fellow, he conducted research on dual infections with different strains of HIV-1 and their implications for disease progression and treatment in both low- and high-risk populations in Uganda.
He later served as Principal Advisor to the Director General of Africa CDC, where he helped establish the Partnerships for African Vaccine Manufacturing, a major initiative aimed at strengthening vaccine production on the continent. In 2024, he was appointed Deputy Director General of the Africa Regional Office of the International Vaccine Institute (IVI) in Rwanda. His leadership in epidemic preparedness earned him a place on the TIME100 Health list in 2025.
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