Tags: Martial Artist.
Choi Chang Keun (최창근; 崔昌根; born 1941) widely known as C. K. Choi is a South Korean master of taekwondo and one of the twelve original masters of taekwondo of the Korea Taekwon-Do Association. Following a career in the South Korean military Choi emigrated to Canada in 1969 where he continues to teach his martial art.