Grandmaster Jin Chung has devoted his life to teaching the physical and mental benefits of martial arts. Grandmaster Chung is a 9th degree grandmaster in martial arts and the founder of the U.S. Martial Arts Academy in Lake Worth, Florida. The USMA offers the Ko Am Mu-Do curriculum, which combines training in Taekwondo, judo, jiu jitsu, hapki-do and weapons, including the bo staff, traditional sword, nunchuks and juk-do (bamboo sword). Grandmaster Chung founded the World Ko Am Mu-Do Federation with three other Florida grandmasters, Jun Kim, N.G. Guak and Yung Ho Jun, to return martial arts training to its ancient traditions, focusing on mental and physical discipline.