Guillaume Dumont is Assistant Professor at OCE Research Center, emlyon Business School, France. He is the author of Professional Climber: Creative Work on the Sponsorship Labor Market (2018), exploring ethnographically the working lives of professional rock climbers in North America and Europe.

Holly Thorpe is Professor of Sociology of Sport and Physical Culture at the University of Waikato, New Zealand. She is the author of Snowboarding Bodies in Theory and Practice (2011) and Transnational Mobilities in Action Sport Cultures (2014), and co-author of Action Sports and the Olympic Games: Past, Present, Future (2021).