Tolu(llah) Oni is Clinical Professor of Global Public Health and Sustainable Development at the University Cambridge where she leads the Global Diet and Activity Research Group. She is an Extraordinary Professor at University of Pretoria, Honorary Associate Professor, University of Cape Town and Founder & Principal of UrbanBetter | Oni et al.

A Public Health Physician and urban epidemiologist, her work supports a coordinated approach between science, policy and societal role players, identifying creative and long-term strategies to address complex urban population and planetary health challenges in rapidly growing cities. She has served as scientific adviser for several organisations including International Society for Urban Health UK Research and Innovation (UKRI) Planetary health board and the World Obesity Federation. She is an editorial board member of PLOS Global Public Health, Lancet Planetary Health, Cities and Health, and the Journal of Urban Health.

In recognition of her work, she has been profiled in the Lancet journal, Science magazine, and the British Medical Journal, and is a Fellow of the International Science Council, African Academy of Sciences, Next Einstein Forum Fellow and a World Economic Forum Young Global Leader.