Donald Bundy is Professor of Epidemiology and Development at the London School of Hygiene and Tropical Medicine. He has worked for more than 30 years on the role of school-health and nutrition programmes in the development of school-age children and adolescents, especially in poor countries. He currently serves as Senior Advisor to the World Food Programme in Rome, and also advises the Children’s Investment Fund Foundation in London, the World Bank in Washington DC, and several national governments. Before joining the London School in 2018 he was Deputy Director and Senior Advisor to the Global Health Team of the Bill and Melinda Gates Foundation, based in Seattle and London. Previously he served for 15 years (1999-2014) as Lead Health Specialist at the World Bank in Washington DC, with a focus on the interface between the health and education sectors, and coordinated the bank’s programme for NTDs and the African Programme for Onchocerciasis Control. These policy roles built on his earlier academic career (1979-1999) at the University of Oxford, Imperial College London and the University of the West Indies. Donald has authored more than more than 390 books and scientific publications, and produced award-winning documentary films on the role of public health in development, including a series for PBS. Donald founded the Partnership for Child Development in 1992, which was recognized as best practice in the UK Parliamentary Review 2019. He has contributed to all three editions of the World Bank’s Disease Control Priorities since 1993, and in the current edition led Volume 8, Child and Adolescent Health and Development, which has been re-printed twice with the World Food Programme and with the Global Partnership for Education.