Professor Andrew Vallely is a clinical epidemiologist at the Kirby Institute UNSW Sydney, and the Papua New Guinea Institute of Medical Research (PNGIMR), Goroka. Andrew has more than 25 years’ experience in international public health, HIV/STI and infectious disease interventions research in low- and middle-income countries, working in Kenya, Tanzania, Myanmar, PNG, Solomon Islands, and Vanuatu. In 2007, he established an international collaborative research group in sexual and reproductive health at the PNGIMR where he was Head of the Sexual and Reproductive Health Unit and Deputy Director from 2010-15. His research focusses on evaluating innovative solutions to improve women’s reproductive health in high-burden settings, and in the last decade has made major contributions to the search for effective, scalable and cost-effective same-day HPV testing and treatment strategies for cervical screening; and the testing and treatment of sexually transmitted infections in pregnancy to improve maternal and neonatal health.