Prof. Tolu Oni is a public health physician and urban epidemiologist at the University of Cambridge and Honorary Associate Professor at the University of Cape Town. She leads the Research Initiative for Cities Health and Equity (RICHE) on urban health, generating evidence to support healthy urban development in rapidly growing cities, and supporting a coordinated systems approach to identify creative strategies that address complex urban population health challenges. She is a Fellow of the African Academy of Sciences, a 2015 Next Einstein Forum Fellow and a 2019 WEF Young Global Leader.Twitter @drtolullah