Ian Craig, MSc, DipCNE, FBANT is the founder of the Centre for Integrative Sports Nutrition, the world's first organisation to bring integrative thinking into sport and exercise nutrition. With academic backgrounds in both exercise physiology and nutritional therapy, and a long career as a middle-distance athlete and coach, he has been developing the concept of integrative sport and exercise nutrition for the past two decades. As an experienced practitioner and co-author of Wholesome Nutrition, Ian supports athletes (recreational to elite) and individuals with lifestyle-oriented health imbalances, based in his native Scotland.

Justin Roberts, PhD, SFHEA, FBANT is a Professor of Nutritional Physiology, applied to exercise and functional health at Anglia Ruskin University, Cambridge, UK. He is a Registered Nutritionist® and Fellow of the British Association for Nutrition and Lifestyle Medicine, Editor-in-Chief of the Nutrition Evidence Database (supporting an evidence-based approach for nutrition practitioners, academic researchers and students), and Chair of the Nutritional Therapy Education Commission. With over three decades of experience in nutrition, and sport and exercise physiology, Justin has worked with individuals across a diverse range of sports, including professional athletes and teams.