Sinead Delany-Moretlwe, MBBCh PhD DTM&H is Associate Professor and Director: Research at Wits RHI, University of the Witwatersrand, Johannesburg. A South African-born medical doctor and is clinical epidemiologist , her experience is primarily in sexual and reproductive health and HIV prevention research. She has supported HPV vaccine introduction into South Africa through her work, and is currently working with Australian and South African partners to evaluate the population effectiveness of the South African 2-dose HPV vaccination programme. She is also part of consortium aimed at evaluating the evidence for one dose HPV vaccination schedule. Dr Delany-Moretlwe is a member of the WHO Product Development Vaccine Advisory Committee, the HSV vaccine advisory group, and a new group advising on gonorrhoea vaccine development for use in low and middle-income countries.