Peter Krustrup is Professor of Sport and Health Sciences at the University of Southern Denmark, Honorary Visiting Professor of Exeter University, UK, and Guest Professor at Shanghai University of Sport, China. His research interests include the fitness and health effects of football and other sports, physical-tactical-technical match analyses, and fatigue, recovery, training and testing in elite football. He is a UEFA Pro-Licensed football coach and Fitness Coach for the Danish Women's national team. He is also the leader of a Football is Medicine group of 225 researchers in more than 20 countries.

Daniel Parnell is Senior Lecturer in Sport Business at the University of Liverpool Management School, UK. His research interests lie in sport business management and policy, and he has a growing interest in examining social and economic networks in sport. Dan is co-Founder and Editor of The Football Collective, a global network of football scholars. He serves as co-Editor-in-Chief of Managing Sport and Leisure and is co-Editor of the Routledge book series 'Critical Research in Football'. He also co-edited the Routledge Handbook of Football Business and Management.

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