GM Jeong, Kyung Chang
Taekwondo Blackbelt 8th Dan (Kukkwion)
Taekwondo Blackbelt 9th Dan (World Taekwondo Ohdokwan HQ)
Foreign Master training (Kukkwion)
Poom/Dan Test Examiner (Kukkwion)
Hanmadang Referee (Kukkwion)
International Coach Certification Courses (WT)
Coach (Hong Kong Coaching Committee)
Accredited Kung Fu Instructor (Australian Coaching Council)
Referee (Chinese TKD Association)
Poom/Dan Promotion Test Examiner (Chinese TKD Association)
Kyorugi/Poomsae Coach (Australian Taekwondo)
Since 2001 tutor to CTA-hk (Coach, Referee, Poosmsae, Sparring, Rules and Regulation, Judging and Marking and Special Lectures)