to instruct the bodyguards for the Prime Minister of South Vietnam, Nguyen Cao Ky. Then, during the visit to Korea by the American President Lyndon B Johnson, Grandmaster Kim was requested to go back to Korea to be in the bodyguard detail for President Johnson. When he came back to Vietnam, he was asked to teach the American military forces such as the Green Berets, Military Police and the 355th Aviation Company. In 1968 he traveled to Nha Trang, and established a martial arts class for the US Air Force station. After the establishment of the class, he left it to the care of Cho Sung Ho as the head instructor.

In 1971, with the slow withdrawal of the American and other allied country out of Vietnam, Grandmaster Kim left his studio in Saigon to the care of Dr. Con Gia Pham, presently a 9th degree black belt and Associate Clinical Professor, UCLA School of Medicine. He then moved to Hong Kong, married his wife, Sue Yun, and opened the Flying Tiger Hapkido Studio, the largest martial arts studio in the city. In 1973, after appearing in Hong Kong Television, he was cast by Kea Fa International Film Corporation as the leading man in his first martial arts movie “Tiger”. With it’s tremendous success all over Southeast Asia, he became the star in seven other movies “The Mandarin”, “Black Guide”, “Valley of the Double Dragon”, “Jet-do Karate”, “Code Name Panther”, “Dae Ha Drama” and “Evidence”. During this time, all the major studio stars and stuntmen practiced at his martial arts studio.Some names of note are Jackie Chan, Angela Mao, Sammo Hyung, Chan Na, Wang Kum Bong and Chuan Jun. He also took in one of his most loyal student, Master Thomas Lok,