Grand Master Choi
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8th Dan Black Belt Kukkiwon (World Taekwondo Headquarters)
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4th Dan Black Belt WHGF (World Haidong Gumdo Federation)
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World Taekwondo (WT) International Referee (Kyorugi & Poomsae)
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Certified Master Kukkiwon (World Taekwondo Headquarters)
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Certified Poom/Dan Test Examiner Kukkiwon (World Taekwondo Headquarters)
