1. Senior lecturer in the Department of Epidemiology and Biostatistics at the University of Zambia School of Public Health and is also the director of the Tropical Diseases Research Centre
2. Associate professor in the Department of International Health at the Bloomberg School of Public Health and a core faculty member and the associate director for Global Programs at the Berman Institute of Bioethics at Johns Hopkins University
3. Professor of obstetrics and gynecology and a lecturer in bioethics at Makerere University College of Health Sciences
4. Professor of epidemiology and the founding dean for the School of Public Health at the University of Zambia, and he has transitioned to set up Nkwazi Research University, where he is the director for both the Global Health Institute and the Research Support Institute
5. Phoebe R. Berman Professor of Bioethics and Public Health at Johns Hopkins University, where she is also both the deputy director for public health in the Berman Institute of Bioethics and a professor of health policy and management in the Johns Hopkins Bloomberg School of Public Health