Theresa Marié Rossouw is a Professor in the Department of Immunology at the University of Pretoria (UP), South Africa. She obtained her bachelor’s degree in Medicine and Surgery (MBChB) cum laude from Stellenbosch University. She then completed two Masters’ degrees, both cum laude (Master’s in Philosophy – Biomedical Ethics – Stellenbosch University, and Master’s in Public Health – Epidemiology and Biostatistics – UP) and two doctoral degrees (PhD Philosophy, Stellenbosch University, and PhD Immunology, UP). She worked as the Clinical Head of the HIV clinic at Pretoria Academic Hospital from 2005, HIV consultant for Tshwane district from 2014, and then transitioned into research as Head of the Immunopathology Laboratory in the Department of Immunology at UP in 2016.

Professor Rossouw is specifically interested in HIV-associated drug resistance and systemic immune activation as well as the impact of COVID-19 on people with immunodeficiency. A member of the World Health Organization’s Research and Innovation Working Group, HIVResNet, as well as various scientific committees, and is the current President of the South African Immunology Society.

Professor Rossouw also  has a keen interest in ethics, chairperson of the Research Ethics Committee (REC) of the Faculty of Health Sciences at the University of Pretoria and the immediate past chairperson of the REC of the Human Sciences Research Council. She is an NRF-rated scientist and was awarded a silver medal by the South African Medical Research Council in 2023.