Kim Yoon-sang (original) (raw)

Kim Yoon-sang (Korean: 김윤상; (1934–2021) was the most senior of students (achieving the rank of 9th dan) of the founder of hapkido, Choi Yong-sool (Korean: 최용술), from the hapkido founder's latter years. He is the notable Korean martial artist as the founder of Hapki yusul (Korean: 합기 유술).