The Chief Instructor and Director of SKMA, Master Sung has trained Korean martial arts, Hapkido for over 30 years. He introduced Hapkido in County of Durham by establishing Durham University Hapkido Club in 1998. He served Korean Special Forces as a military intelligence officer for four years in Korea. Master Sung has promoted Hapkido and self-defence programme throughout the UK and Europe since 1998. He established the School of Korean Martial Arts (SKMA) in London in 2007 and has run seminars for police and military units in the UK and many European countries. Master Sung traveled and taught Hapkido in Poland, Germany, Czech and Croatia.