International Daemoo Hapkido Martial Art Association. Torrance, California. Grandmaster Tae M. Kwon is a 9th degree black belt, who studied under Han-Jae Ji and an acquaintance of Yong-Sul Choi. Hapkido incorporates Water, Circle, and Sum Principles.

Master Yushen Lai - Taekwondo Academy - school located in Torrance, California - Los Angeles area.