Richard Hayes, DSc, FMedSci, is a professor of Epidemiology and International Health at the London School of Hygiene and Tropical Medicine in London, England. He is a statistical epidemiologist who works on the epidemiology and control of HIV and related infections. Dr. Hayes has collaborated on HIV prevention trials in many parts of Africa and has a special interest in the design and analysis of cluster-randomized trials.

Tonia Poteat, Ph.D., MPH, PA-C, is an assistant professor in the Department of Epidemiology at Johns Hopkins Bloomberg School of Public Health and a 2015-2016 HPTN Scholar. She completed her Ph.D. in International Health at Johns Hopkins University. She holds an undergraduate degree in Biology from Yale University, a Master of Medical Science from Emory University, and a Master of Public Health from Rollins School of Public Health at Emory University.

Nozizwe Makola, BEd, PGDip (HIV/AIDS), PGDip (Applied Ethics), is currently working as a community liaison officer for the HPTN 071 (PopART) study at the Desmond Tutu TB Centre (DTTC) at Stellenbosch University, Cape Town, South Africa. She leads the Community Engagement team.