5x15 x Keystone Positive Change: Food

Henry Dimbleby is the co-founder of LEON, and the Director of The Sustainable Restaurant Association, which runs some of London's most successful street food markets. His work with DEFRA culminated in the National Food Strategy – a policy proposal widely praised by industry wide figures such as Yotam Ottolenghi and Sir Partha Dasgupta. In 2013 he co-authored The School Food Plan, which set out actions to transform what children eat in schools and how they learn about food.

Tim Spector is Professor of Epidemiology at King’s College London. He is the bestselling author of The Diet Myth, Spoon-Fed, Food for Life and The Food for Life Cookbook, and scientific co-founder of ZOE, the nutrition science company. With a focus on cutting-edge science and honoured with an OBE for his work in fighting Covid-19, Tim stands at the forefront of his field. The original pioneer of microbiome research, he is among the top 100 most cited scientists in the world. His latest book is Ferment.