Prof Glenda Gray

Glenda Gray is a South African clinician-scientist and global leader in HIV research, widely recognized for her work in vaccine development, prevention strategies, and maternal and child health. She is affiliated with the University of the Witwatersrand and has held executive leadership roles at the South African Medical Research Council. Her career has been closely aligned with advancing equitable access to biomedical innovation across Africa.

Her publications reflect a sustained focus on HIV vaccine trials, immune correlates of protection, and pre-exposure prophylaxis, including safety in pregnant and breastfeeding women. She has led and contributed to major multicentre studies through the HIV Vaccine Trials Network, shaping understanding of antibody responses, T-cell immunity, and factors influencing HIV acquisition. Recent work also addresses COVID-19 vaccination in people living with HIV and public health surveillance.

Gray’s research integrates rigorous clinical trials with policy engagement, strengthening trial infrastructure and advocating for inclusion of vulnerable populations, particularly women and children. Her contributions have significantly influenced global HIV prevention science and informed strategies for vaccine design, epidemic preparedness, and health systems strengthening in low- and middle-income settings.