Dong Jin Kim

Dong Jin Kim was a Korean American martial artist who primarily studied and taught jujutsu, Hapkido, and Kendo. He was the founder of the JTR Jujutsu martial art. Grand Master Kim held a 9th Dan black belt in Hapkido, as certified by Korea Kido Association, an 8th Dan black belt in jujutsu, as certified by Japan Jigo TensinRyu Jujutsu Seibukan Association, a 7th Dan black belt in Kendo, as certified by Japan TokyoShudokan, and a 5th Dan black belt Tang Soo Do, as certified by the International Tang Soo Do Federation.

Dong Jin Kim was born in Pusan, South Korea. Kim had over 48 years of experience in martial arts. At a young age Kim began training in Tang Soo Do, Hapkido, and Kendo. He was also master in Japanese art of Jujutsu.

Source: Wikipedia