Weiming Tang is the Co-Director of the University of North Carolina Project-China, Associate Professor of UNC-Chapel Hill. Dr Tang is an epidemiologist, with an emphasis on HIV epidemiology and implementation science. His research focuses mainly on promoting HIV testing and healthy behaviour change through innovative approaches. Specifically, he is interested in using crowdsourcing and other participatory methods to enhance health services among key populations. He has been engaged in the use and promotion of new intervention strategies for promoting HIV self-testing among men who have sex with men.