Sarah Jakowski Editor

Michael Kellmann is Professor of Sport Psychology at the Faculty of Sport Science at Ruhr University Bochum, Germany. He is also an Honorary Professor in the School of Human Movement and Nutrition Sciences at the University of Queensland, Australia.

Sarah Jakowski is a researcher and lecturer at the Department of Sport Psychology, Faculty of Sport Science, Ruhr University Bochum, Germany. She has a doctoral degree in Sport Science (PhD) and a Master of Science in Psychology.

Jürgen Beckmann is Professor of Sport Psychology, Emeritus of Excellence at the Faculty of Sport and Health Sciences at Technical University of Munich, Germany. He is also Honorary Professor in the School of Human Movement and Nutrition Sciences at the University of Queensland, Australia, and Adjunct Professor at the Deptartment of Physical Education and Sport Sciences of the University of Limerick, Ireland.