Born in Lagos, Tolullah completed her medical training at University College London, a Masters degree in Public Health at the University of Cape Town, and a doctorate in Epidemiology from Imperial College London, UK. Her global practice-informed research at the interface of population health, urbanisation and climate change adopts a transdisciplinary systems approach to co-design and co-produce urban health research for healthy sustainable cities that help to prevent diet and activity-related NCDs focused on air pollution, built environments and food environments in rapidly growing cities globally.