Cynthia Nombeko Mpongo is an HPTN 084 Community Working Group member and community liaison administrator at the Desmond Tutu Health Foundation in Cape Town, South Africa. She is the author of Nakanjani, a short story and poetry book, and co-author of the novel Whisper Not. Mpongo holds degrees in psychological counseling and social behavior.

Yaw Agyei, MPH, is a senior international laboratory QA/QC coordinator at the HPTN Laboratory Center at Johns Hopkins University in Baltimore. He has spent the last 19 years working with different African labs to implement many HPTN trials.

Dr. Adaora A. Adimora, chair of the HPTN’s Women at Risk Scientific Committee, is a Sarah Graham Kenan Distinguished Professor of Medicine at the University of North Carolina (UNC) School of Medicine and professor of epidemiology at the UNC Gillings School of Global Public Health in Chapel Hill, N.C. She is a physician epidemiologist with more than 25 years of clinical experience in treating patients living with HIV.

Mduduzi Ngubane, an HPTN 084 Community Working Group member, is a community liaison officer with the South African Medical Research Council, based at the Isipingo Clinical Research Site (CRS) in Durban, South Africa. Ngubane actively advocates for community engagement at the provincial, district, and ward levels in KwaZulu-Natal, including the Provincial AIDS Council (PCA), Operations Sukhuma Sakhe (OSS), and civil society.