Dr. Tolullah Oni is a public health physician and urban epidemiologist, principal of Oni et al. and the founder of UrbanBetter. She is an honorary associate professor and lead of the Research Initiative for Cities Health and Equity (RICHE) group at the University of Cape Town, South Africa and a clinical senior research associate/joint lead of the Global Health Research Group at the University of Cambridge MRC Epidemiology Unit, UK. She is a fellow of the African Academy of Sciences, past co-chair of the Global Young Academy and the South African Young Academy of Science, a 2020 Next Generation Foresight Practitioner fellow, and a Young Global Leader of the World Economic Forum (WEF). She holds a doctorate in Epidemiology from Imperial College London, UK.