Michael Gleeson is Emeritus Professor of Exercise Biochemistry in the School of Sport, Exercise and Health Sciences at Loughborough University (UK). He is a world authority on exercise biochemistry, immunology, and nutrition and has published over 250 scientific papers, 30 book chapters, and has co-authored textbooks on exercise metabolism, exercise immunology, and sport nutrition. He is the former president of the International Society of Exercise and Immunology and a Fellow of the European College of Sport Science and the British Association of Sport and Exercise Sciences. He has been a member of several IOC expert groups and contributed to scientific consensus papers on the overtraining syndrome, training load and illness/injury risk, sport nutrition, immunonutrition, and exercise and immune function. He has provided advice on minimizing risks of infection and nutritional strategies to improve performance and maintain health for numerous professional sports clubs and organizations, including the English Institute of Sport and several English premier league football clubs, including Leicester City FC (the 5000-1 outsiders that won the premier league title in 2016). Following his retirement in 2016 at the age of 60, he has turned his attention to how ordinary people can achieve optimal health and live healthier for longer. Michael lives in Burbage, Leicestershire, with his wife, Laura.