Sylvain Aubé Sensei, 5th Dan, is a direct student of Sensei Yutaka Katsumata, 8th Dan. He is a karateka of international level. He has trained extensively with several key Masters in karate: Sensei Hidetaka Nishiyama, a direct student of Master Gichin Funakoshi, founder of Shotokan karate traditional. In July 2007, Sylvain earned his Grade B International Referee from the International Traditional Karate Federation (ITKF) in kata and kumite. Sylvain has a bachelor in science, physical education and has been teaching police techniques at Cegep and martial arts classes at the University of Ottawa. Sylvain is devoted to the transmission of karate as a method of self-defense and budo concepts of karate.