years_active birth_place url other_names team birth_date rank residence article_title name style
1959 -- 1966 jeollado , korea http://dkparktkd.com/ d. k. park south korean national team '' c. '' 1941 9th '' dan '' taekwondo kearny , new jersey , usa dong keun park
 park dong keun taekwondo
dong keun park

park dong keun -lrb- 박동근 ; born `` c. '' 1941 -rrb- , also known as d. k. park , is a south korean grandmaster of taekwondo .
he holds the title `` grandmaster , '' the rank of 9th `` dan '' in taekwondo , and was korea 's only undefeated taekwondo fighter in more than 200 international championship competition .
park introduced the martial art of taekwondo to thailand in 1966 , before settling in the united states of america , and was the taekwondo coach of both the us national team and the us olympic team .
