Mario Staller is a German police officer working more than ten years as a police use of force, self-defense, and firearms instructor. His main areas of research are psychological aspects of conflict management in police contexts, skill development and pedagogical practice in police use of force and self-defense training.
Mario’s main drive is the optimization of performance in violent confrontations. In pursuit of this goal Mario obtained a MSc in critical and major incident psychology (University of Liverpool), a MSc in sport psychology (Hochschule für Gesundheit, Sport, Technik und Kunst, Berlin), a MA in sports and exercise science (Hochschule für Gesundheit, Sport, Technik und Kunst, Berlin) and a MSc in sport coaching (Leeds Beckett University). He completed a PhD in pedagogy on the structure of ju-jitsu fights and its relevance for elite athletes and coaches at the Riga Teacher Training and Educational Management Academy and a PhD in Psychology on influential factors on tactical decision making of police officers at the University of Liverpool.
Mario is a passionate martial arts practitioner, beeing two times world champion in ju-jitsu fighting, and being one of the highest ranked krav maga instructors outside of Israel. He is the founder of train2survive, a platform for self-defence training and research in that domain.