After 42 years in the martial arts (34 years as an Instructor), Master Roger Koo has retired at the end of January 2011 from the martial arts. He has turned his other hobby of 30 years into a successful business RKPC Service - Computer Repair, Website Design & Search Engine Optimization (SEO) which he started in November 2006.
However, he will be available for Seminars for martial art studios and fitness centers who wish to incorporate Koo Self Defense into their workout curriculum for fitness and Awesome Power! Please email for further information!
Koo Self Defense - A Unique Martial Art