Shihan Donald Oxford York, Kengo, holds a 5th degree Black Belt in Bubishido and is Chief Technical Director for North America and co-founder of the International Budo Institute. He has also studied Muay Thai and Kung-Fu. He is also waiting examination for Shodan, first degree black belt in Iaido (the art of the Japanese sword). Shihan York presently teaches at the Bubishido Hombu Dojo in Montreal, Quebec.

Shihan York has taught hundreds of students and is known for his ability to direct and develop his student's ambition and foster positive mindsets. Shihan York began his martial arts career in 1987 under Master Kim, in Su Lim Hung Gar Kung Fu. In 1995, he began studying Shorinjiryu Karatedo. 

In 2005, Shihan York was awarded a 5th degree Black Belt, Go-Dan, in Bubishido along with the Renshi teaching degree from Shihan Henderson.

Academically, Shihan York holds an undergraduate degree in psychology (B.Psych.) from McGill University where he also obtained a Graduate Certificate in Leadership. Shihan York also holds a degree in respiratory and anesthesia technology. Shihan York is an active member in the health field as well as a senior instructor for the Quebec heart and stroke foundation.