Stefan Reinisch is a lawyer and holder of the 4th Dan in Jujitsu. He is an instructor in Jijitsu at the University Sports Institute n Vienna and acts as an advisor covering the areas of security training for businesses as well as teaching self-defense to women and young girls.
Juergen Hoeller holds a diploma as Sports Instructor and Therapist as well as a diploma in Sports Training. He holds a trainer C license in boxing as well as possessing a 3rd Dan in Taekwondo, a 3rd Dan in Ashihara karate, a 3rd Dan in Jujitsu as well as further black belts in Judo and Combat Hapkido. He is a lecturer on courses at home and abroad as well as acting as instructor on Trainer courses for various sports unions (Taekwondo, Judo, Fencing). He is a holder of Bronze order of Merit for German Taekwondo Union and is a fitness trainer and author of numerous books on Martial Arts and Self- defense.
Alex Maluschka is a Business Coach and author. He has been training in various Martial Arts (Ashihara Karate, Taekwondo, Jujitsu and Kickboxing) since 1996, and is one of Juergen Hoeller's students.