Dr Keren Middelkoop completed her medical training at the University of Cape Town in 1999 and after a brief career in clinical medicine joined the Desmond Tutu HIV Centre. Here she has been involved in clinical trials on antiretroviral treatment options and HIV vaccine candidates, as well as leading community-based studies on TB transmission and the impact of HIV and antiretroviral treatment on community TB. Dr Middelkoop completed her Masters in Public Health and obtained her PhD in medicine. She has co-authored 34 papers and in 2011 was awarded the International Union Against TB and Lung Disease’s Young Investigator of the Year award. Dr Middelkoop’s current research focus is on TB transmission and molecular epidemiology.

Prof De Wet Swanepoel is professor in audiology at the Department of Speech-Language Pathology and Audiology, University of Pretoria, South Africa and a senior research fellow at the Ear Science Institute Australia, with adjunct positions at the University of Texas in Dallas and the University of Western Australia. He has published more than 80 peer-reviewed articles, books and book chapters and has received numerous awards, including a President’s rating from the National Research Foundation and the 2013/14 NSTF-BHP Billiton award in recognition of his work. His main interest is focussed on ear and hearing health and access to care through technology and connectivity.