Specialized in de-escalation and physical safety in the face of violent offenders he consults and trains professionals who work in high-risk-environments for many years, e.g. at the Bildungsstätte Justizvollzug Berlin, the Kassenärztliche Vereinigung Berlin and the department of police and security management of the Hochschule für Wirtschaft und Recht Berlin. Since 10 years he is the head coach of a martial arts and self-defense academy in Berlin. As a freelancer of the Team Psychologie & Sicherheit (TPS) his focus is on the areas of personal safety of travelers and expatriates, event security on general meetings as well as internal investigations in cases of employee crime.