Tim Spector is a medically qualified Professor of Epidemiology and Director of the TwinsUK Registry at King’s College London. His current work focuses on the microbiome and nutrition, and he is 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.

Having published more than 900 research articles, he is ranked in the top 100 of the world’s most cited scientists by Google.

He is the author of four popular science books, including "The Diet Myth”, "Spoon Fed", and most recently “Food for Life”, a Sunday Times bestseller. He makes regular appearances on social and mainstream media, including ITV’s This Morning, and BBC Two’s Great British Menu.