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 effective techniques from various other disciplines.

Koshou Ryu was founded in 1997 by the Chief Instructor, Sensei George Cushinan, and has been taught to 1000’s of students throughout Markham over the past 24 years.

Due to COVID19, the City of Markham classes taught by Sensei Gary Bulian (Renshi) are currently running via ‘zoom’ or on hold.  Check the Markham Recreation guide for updates (listed as Karate at the Old Unionville Library Community Centre). Sensei Gary is often assisted by senior level Black Belts; Sensei Jeff Newton (Renshi) and Sensei Ellery Bunn (Renshi).

Founder/Chief Instructor

Sensei George Cushinan is an 8th Dan Black Belt (Kyoshi) in Koshou Ryu Ju-Jitsu, and has trained for the last 41+ years in a variety of martial arts/styles/ranks/titles (Ju-Jitsu, Karate , Hapkido, Taekwondo, Aikido/Aikijujutsu, Combat Survival/CKM, Krav Maga, and Defensive Tactics).

Sensei Cushinan is a member of the Budoshin Ju-Jitsu Yudanshakai (Advisory Board Member), American Ju-Jitsu Association, the IFOJJ-International Federation of Jujitsuans, WKF-World Kobudo Federation, Yamabushi Jujutsu Aikijujutsu Ryu, WEBBS-the World Elite Black Belt Society (International Instructor/Regional Director), the Intercontinental Ju-Jitsu Organization (Canadian Director) and the UFAF United Fighting Arts Federation.

Sensei Cushinan has retired from teaching the traditional Ju-Jitsu program, however oversees the Koshou Ryu Ju-Jitsu style and Black Belt Instructors.  Sensei George Cushinan teaches Self-Defense programs, and can be reached by email at georgecushinan@aol.com , or 647-454-8716.

Photo below: George Cushinan and his son Nick Cushinan

Updated April 12, 2021

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