Damian Farrow is the Umpiring Coaching & Innovation Manager for the Australian Football League. He is also a Professor of Skill Acquisition at the Institute of Health and Sport, Victoria University, Australia. His current roles are typical of Damian’s career, being situated both in the high-performance sports industry and academia. His research and practical interests centre on the development of sport expertise with a particular focus on practice methodology and decision-making skills. Damian is the author/editor of seven books and over 150 peer-reviewed articles and book chapters. Joseph Baker is Professor and Tanenbaum Chair in Sport Science, Data Modelling and Sport Analytics in the Faculty of Kinesiology and Physical Education at the University of Toronto, Canada. He has also held visiting researcher/professor positions at the Carnegie Research Institute at Leeds Metropolitan University in the United Kingdom, Victoria University and the Australian Institute of Sport in Australia, and the Institute of Sport Science at Westflische Wilhelms-Universit Münster in Germany. His research considers the varying influences on optimal human development, ranging from issues affecting athlete development and skill acquisition to barriers and facilitators of successful aging. Joe is Past President of the Canadian Society for Psychomotor Learning and Sport Psychology and the author/editor of 12 books and over 200 peer-reviewed articles and book chapters. Clare MacMahon is an Associate Professor at La Trobe University in Melbourne, Australia. With a particular focus on talent development in sport and expertise in sports officiating, Clare’s research brings together cognitive psychology and human movement. Clare is active in skill acquisition in Australia and internationally, having co-established the Australasian Skill Acquisition Network, which brings together researchers and practitioners, and as the Oceania representative for Sport Psychology to the International Association of Applied Psychology.