Instruction in: Karate, Kobudo, Brazilian Jiu Jitsu and Self Defense! 

World  Karate  Kobudo  Jiu-Jitsu  Organization : WKKJO


The World Karate Kobudo Jiu Jitsu Organization (WKKJO) is committed to the following objectives:

1 - Preserving the Karate and Kobudo Kata of Master Seikichi Odo (1928 - 2002) and cultivating the applications/Bunkai therin through our individualized and collective understanding of combatives (Jiu Jitsu, Sabaki, Muay Thai, Boxing, Wrestling, MMA);

2 - Growing our knowledge and applications for Brazilian Jiu Jitsu with the guidance of Professor Roy Harris (Harris International). 

The Honbu Dojo for the WKKJO is SMAA (click to view) in London, Ontario, Canada - with unbroken lineage to the origins of Karate, Kobudo, Brazilian Jiu Jitsu and Self Defense..

Together We Are Stronger! 

Kyoshi Julian Spain, Kyoshi Simon Sherbourne, Kyoshi David Hassin

(July 2019)

Come and Enjoy the Collaboration and Teachings of the WKKJO:


"Gathering of Warriors 2020"

We have some notable Budo-Ka teaching and attending on dates in 2020

(These are legitimate Master level practitioners/ Teachers in Martial Arts)!!!

Annual WKKJO Clinics occurs every July during two: two day clinics.  

The 2020 dates are as follows:

1 - July 18 & 19: 

Roy Harris teaching Brazilian Jiu Jitsu (July 18);

Roy Harris teaching Self Defense (July 19)

2 - July 25 & 26: (Commemorating Dai-Sensei Odo's Birthday)

Karate (July 25th);

Kobudo (July 26th)

(Note that there will be 40 minute clinics for children and 2.5 hour clinics for Adult Kyu Belts and Udansha).

If you would like a summary of the clinic contents please email            

WKKJO Director - Simon Sherbourne at:

Outstanding Training and Instruction


The World Karate Kobudo Jiu-Jitsu Organization provides certification and training for practitioners and Instructors in Ryu Kyu Kobudo,  Ryu Kyu Karate, Jiu Jitsu, and Self-Defense

All Programs have been designed to serve as stand alone programs for Individuals, Martial Arts Instructors, and or Martial Arts Organizations seeking to enhance their martial arts programs by adopting relevant  knowledge and application through innovative curriculum which scaffolds learning for all.  

Instructional materials and curriculum have been designed by Simon Sherbourne (Director WKKJO, M.Ed.- Curriculum Studeis, 7th Dan RHKKF, Senior Student of the late Seikichi Odo: July 26, 1926 – March 24, 2002). 

Mr. Sherbourne has been an international competitor since 1984 and continues to participate in demonstrations and host seminars annually. He teaches martial arts at Sherbourne Martial Arts Academy in a humble training facility in London, Ontario, Canada throughout the year and conducts seminars for interested parties. e-mail:
Visit the Honbu Dojo at:

The above pic was taken in 2004 after competing in Wrestling, BJJ, Karate, Kobudo and Pankration for the previous 20 years...