Welcome to Koshou Ryu Ju-Jitsu!


Koshou Ryu Ju-Jitsu is a modern Ju-Jitsu system that is based on older forms of traditional Ju-Jitsu, complimented with techniques from other styles of martial arts.

Koshou Ryu was founded in 1997 by the Chief Instructor, Shihan George Cushinan, and has been taught to 100’s of students throughout Markham over the past 19 years.

Koshou Ryu Ju-Jitsu includes all ranges of combat, from standup to ground survival.  Classes are available through the City of Markham Recreation Guide, and taught out of the ‘Old Unionville Library Community Center’.

Classes are now booking for the fall.  Check out the latest guide for registration dates and information.

  • Kids Karate (Saturdays)
  • Girls/Ladies Self-Defense (Saturdays)
  • Teens/Adults Ju-Jitsu (Mon/Wed – listed as ‘Karate’ in the guide)

All instructors have up to date clear police background checks, First Aid/CPR and High Five certifications.

If you have any questions, feel free to contact Renshi Gary Bulian at 416-524-7678, or Sensei Roger Fung at 416-818-1206.

fall guide

Our location: Old Unionville Library Community Centre, 15 Library Lane, Unionville.

Markham Ju-Jitsu Academy map

Founder/Chief Instructor

Founder & Chief Instructor George Cushinan, is a 7th Dan Black Belt/Shihan in Koshou Ryu Ju-Jitsu (World Kobudo Federation 2015), 4th Dan Black Belt in Budoshin Ju-Jitsu (Professor George Kirby 2013), 2nd Dan Black Belt in Seishinkan Northern Karate (Hanshi Cezar Borkowski/Kyoshi Tony LaSelva 2015), and also holds other black belt levels in various styles of Ju-Jitsu, Kenpo Karate, and Combat Hapkido.

Shihan George Cushinan has been studying a variety of martial arts for over 36 years (Ju-Jitsu, Karate, Hapkido, Aikido/Aikijujutsu, Combat Survival/Commando Krav Maga, Police & Military Defensive Tactics), and is a member of the World Kobudo Federation, Budoshin Ju-Jitsu Yudanshakai (Leadership Advisory Board Member), American Ju-Jitsu Association, Yamabushi Jujutsu/Aikijutsu Association, World Martial Arts Federation (Canadian Director), the International JuJitsu Organization (Canadian Director), the IFOJJ-International Federation of Jujutsuans, and UFAF-United Fighting Arts Federation.

Shihan George Cushinan is currently retired from teaching the Markham programs, and only teaches Ju-Jitsu Self-Defense & Control Tactics seminars and programs.  Shihan George Cushinan can be reached by email at georgecushinan@aol.com , or 647-454-8716.

(Photo below:  Shihan George Cushinan and his son Sensei Nick Cushinan)