Hanho, with over 30 years experience in the martial arts holds master ranking in Taekwondo, Hapkido, and Junsado. In addition to extensive training, he has obtained first-hand combat knowledge during his service as a counter espionage agent in the South Korean Defence Security Command, an elite branch of the special forces. During his service, he was also hand-to-hand combat instructor for the Korean special forces and the U.S. Army in Korea.
