Prof. Harriet Mayanja-Kizza is the Dean of the School of Medicine at Makerere University College of Health Sciences. She is a lecturer in Internal Medicine and Immunology, and has been an external examiner at various universities in Africa; she has supervised over 20 postgraduate training students.

Prof. Mayanja Kizza is a researcher in the area of HIV/Tuberculosis co-interaction and immuno-pathogenesis and immune-modulation treatment among patients with HIV and PTB and has co-authored over 40 papers in this field over the last 15 years.

Other areas of research that Prof. Mayanja-Kizza has ventured into include clinical trials in new anti-tuberculosis treatments, improved ways of diagnosis, prevention, management of tuberculosis with and without HIV infection, HIV/TB immune-pathogenesis, immune responses in newly HIV infected adults and epidemiology studies in neonates and adolescents in preparation for clinical trials sites in new tuberculosis vaccines in high endemic country sites.

Prof. Mayanja-Kizza has served on many national and international bodies, including serving as a World Health Organization Advisor in the area of tuberculosis and clinical research towards new TB vaccine research studies, IAVI, Uganda Heart Institute and the Ugandan Medical and Dental Practitioners Council.