Simon Sherbourne has been teaching martial arts in London, Ontario, Canada since 1992, and founded the WKKJO in 2012. Sherbourne has a Master of Education in Curriculum Studies, 7th Dan Black Belt (under Hanshi Seikichi Odo) in Okinawa (Ryukyu) Karate and Okinawa (Ryukyu) Kobudo and is a 2nd Degree Black Belt in Brazilian Jiu Jitsu (under Marco...