Stefan Reinisch is a lawyer and holder of the 4th Dan in Jujitsu. He is an instructor in Jujitsu at the University Sports Institute in 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. He is the co-author of the book on self defense for women and girls (in German - "Selbstverteidigung für Frauen und Mädchen").

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 the Bronze Order of Merit for the German Taekwondo Union and is a fitness trainer and author of numerous books on Martial Arts and Self defense.

Axel 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.