Listed alphabetically: Grandmaster Jiang Jing Sung Baek Grandmaster Jiang Jing Sung Baek trained martial arts all his life. He is specialized in double edged sword Kum. Throughout martial arts community, he is known as Kum Sun, the “Immortal Swordsman”. Grandmaster is the current patriarch of Dong Han Gwan, Dae Han Mu Do Gwan and Mugairyu … Continue reading Masters Council