Tolu(llah) Oni is Clinical Professor of Global Public Health and Sustainable Development at the University of Cambridge and Founder of UrbanBetter. An Honorary Professor at the University of Cape Town, she is a pan-African British public health physician and urban epidemiologist with deep ties to Nigeria, South Africa and the UK. Her work bridges science, policy and society to design healthier, climate-resilient cities, grounded in the conviction that health must be built into environments. A widely published scholar, she is a Fellow of the International Science Council and the African Academy of Sciences and a World Economic Forum Young Global Leader.