K Wolfgang Kallus 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.

K. Wolfgang Kallus is a retired Professor of Work, Organisational and Environmental Psychology at the Department of Psychology in the faculty of Natural Sciences of the University of Graz, Austria.