Tim is a medically qualified Professor of Epidemiology and Director of the Twins UK Registry at King’s College London and his current work focuses on the microbiome and nutrition. He is the co-founder of ZOE, a personalised nutrition company, which runs the world’s largest nutrition study, ZOE Predict and has created a commercial at-home kit for personalised nutrition. Tim is also the lead researcher behind the world's biggest citizen science health project - the ZOE Health Study, formerly known as ZOE COVID Study, which provided essential data in response to the pandemic. He is the author of four popular science books, including "The Diet Myth”, "Spoon Fed", a Sunday Times bestseller, and most recently “Food for Life”. Tim makes regular appearances on social and mainstream media and was awarded an OBE in 2020 for his contribution to the health services.