|Revised Romanization||Oh Se-Lim|
He continued training in Seoul at the Ma Jang Dong location in 1957. Joining Oh at that time were also early hapkido practitioners Hwang Duk-Kyu (latter day president of the Korea Hapkido Association), Kim Yong-Jin (founder of the Ulji kwan), Kang Jong-Soo, Kim Yong-Whan and Lee Tae-Joon.
Oh Se-Lim was elected the president of the Korea Hapkido Association in 1980.
By 1983 Oh Se-lim, with political problems and many of the original founding members of the Korea Hapkido Association departing (Ji Han Jae, Myung Jae Nam), renamed the association by the name first used by the organization he had first been a part of with Master Ji, the Dae Han Hapkido Hyub Hoe, with a new preferred English rendering; the Korea Hapkido Federation.