Roald Bahr MD PhD is Professor of Sports Medicine in the Department of Sports Medicine at the Norwegian School of Sport Sciences and the Chair of the Oslo Sports Trauma Research Center. He is also Senior Research Advisor in the Health, Medicine & Science Department of the International Olympic Committee (IOC), as well as the Director of the Aspetar Sports Injury & Illness Prevention Programme. He is a Consultant Physician in the Medical Department at the National Olympic Training Center (Olympiatoppen). Bahr is authorised as a Sports Medicine Physician by the Norwegian Society of Sports Medicine and is a fellow of the American College of Sports Medicine. He serves as Team Physician for the Norwegian beach volleyball national teams. He is past Chief Medical Officer for Olympiatoppen and past chair of the Medical Department at the National Olympic Training Center, past chair of the National Council on Physical Activity, past president of the Norwegian Society of Sports Medicine and past president, secretary and member of the FIVB Medical Commission. He chaired the IOC Medical Commission-Games Group for the Tokyo 2020 Olympic Games and the Paris 2024 Olympic Games. His main research area is sports injury prevention, and he has published more than 450 original research articles, review papers and book chapters, in addition to several books, with a citation index (H-index) of 144. He is the main editor of the widely acclaimed textbook “IOC Manual of Sports Injuries”, which is published in seven languages, as well as the “IOC Handbook of Sports Injury Prevention”.