Director, Africa Centres for Disease Control and Prevention (Africa CDC). Formerly, Associate Director, Laboratory Science, and Chief, International Laboratory Branch, Division of Global HIV/AIDS, Center for Global Health, US Centers for Disease Control and Prevention (CDC). Also co-chaired the US President’s Emergency Plan for AIDS Relief’s (PEPFAR) Laboratory Technical Working Group. 1993-95, Chief, Virology and World Health Organization (WHO) Collaborating Centre on HIV diagnostics, Department of Microbiology, Institute of Tropical Medicine, Belgium. Joined CDC in 1995 as Chief, Virology Laboratory, CDC-Cote d’Ivoire in Abidjan. Since 1988, has published work on HIV diagnosis, pathogenesis, and HIV drug resistance, in 120 papers in journals including the Lancet, Journal of Virology, Journal of Infectious Diseases, and Journal of Clinical Microbiology. Portfolio includes published book chapters on implementation of HIV therapy in resource-limited areas. Recipient, US Secretary of Health and Human Services Award for Excellence in Public Health Protection Research. Nominated for the agency’s Shepard Award. Serves on international advisory boards and journal review panels. Spearheaded the creation of the African Society for Laboratory Medicine. Master’s in Tropical Biomedical Science, Institute of Tropical Medicine, Belgium; Master’s in Medical and Pharmaceutical Sciences and PhD in Medical Sciences (Virology), University of Brussels, School of Medicine, Belgium.