Felix Ehrlenspiel is a lecturer at TU München and received his PhD in Psychology in 2006 from the University of Potsdam. His research is concerned with behavioural, psychological and neuroendocrine responses to competitions, and he currently teaches athletes and students how to deal with these responses. Katharina Strahler M.Sc., works as a clinical psychologist for children and adolescents. She is currently completing her PhD at the Technische Universität München, Germany. Her research interests are psychoneuroendocrinology of stress in sport, competitive anxiety and doping prevention interventions.