Professor Sharon Madigan is Head of Performance Nutrition at Sport Ireland Institute and Adjunct Professor at the University of Limerick. She completed her PhD studies in Nutrition Education at Ulster University (2005). She was awarded an Honorary Fellowship of the Faculty of Sport and Exercise Medicine, Royal College of Surgeons in Ireland (RSCI) in September 2016. She has delivered nutrition support to athletes across multiple Olympic cycles and major championships, and she leads/co-supervises several high-performance research projects (e.g. energy deficiency, vitamin D, gut health, and nutrition & sleep in elite sport). She has published more than 40 scientific papers in peer-reviewed journals. She serves as Lead Scientist for Team Ireland for the Paris cycle, sits on science and medical committees (e.g. OFI) and is co-supervisor for diverse research grants. Her teaching disciplines include sports nutrition, nutrition education, dietary supplements, female athlete health, and her research interests include energy availability / RED-S, sleep & recovery, gut health in athletes, and diet–performance interactions.