Dr. Rochelle Walensky is the 19th director of the Centers for Disease Control and Prevention, known primarily for her work in infectious disease control. More specifically, her work with AIDS and HIV has helped to improve screening and care in South Africa.

“This top-tier agency, world-renowned, hasn’t really been appreciated over the last four years and really markedly over the last year,” she told the Journal of the American Medical Association in early 2021. “I have to fix that.”