A. Mark Williams is Chair of Health, Kinesiology, and Recreation at the University of Utah, USA. His research interests focus on the neural and psychological mechanisms underpinning the acquisition and development of expertise, with a particular focus on anticipation and decision making. He has published more than 200 journal articles in peer-reviewed outlets and written more than 80 book chapters. He has co-authored and edited 15 books and delivered more than 200 keynote and invited lectures in over 30 countries. He is a Fellow of the European College of Sports Science, the British Association of Sport and Exercise Science, the National Academy of Kinesiology, and the British Psychological Society. He is Editor-in-Chief of several academic journals. Robin C. Jackson is Senior Lecturer in Sport Psychology at Loughborough University, UK. His research on perceptual-cognitive expertise focusses on attentional processes in sports performance, notably in regard to anticipation and the perception of deceptive intent. He is also interested in the implications of this research for designing training protocols to develop skills that are robust under pressure. He has more than 50 peer-reviewed papers and book chapters. He is a founding member of the British Psychological Society’s Division of Sport and Exercise Psychology, and the Expertise and Skill Acquisition Network special interest group. He serves on the editorial board for several sport psychology journals and is Executive Editor of the Journal of Sports Sciences (Social and Behavioural Sciences).