U-Elites' Martial Fitness/Principal Instructor

Director of KWTA*, Korea Traditional Hapkido Federation (KTHF) and Cheong Kyum Association (CKA), in Singapore;
7th Dan Black Belt in Tukkong Moosool (the Martial Art of Korea Special Forces), certified by KWTA*;
4th Dan Black Belt in Hapkido, certified by KTHF & CKA;
4th Dan Black Belt in Taekwondo, certified by International Ch’ang-Hon Taekwondo Federation (ICTF);
Certified Chanbara (padded weaponry) instructor and Sambo instructor;
Appointed Chief Instructor the Control & Restrain Tactics for Jetstar Airline since 2005;
Achieved NCAP (National Coaching Accreditation Programme) Theory Level 2 Certification by Singapore Sports Council; and
Well-trained in: Hapkido, Taekwondo, Brazilian Jiujitsu, Special Forces Combat Tactics, Thai Boxing, Sambo, Chanbara and Krav Maga

The Government of Korea (Ministry of Culture and Tourism)
The Presidential Bodyguard Unit Korea
The Korea 27th Anti-terrorist Unit Veteran Association (the official Military recognized founding unit of Tukkong Moosool)
The official historical source Tukkong Moosool as Approved by Veterans Office of KSWC
The 707th SMB Specialist Unit as the true source of specialist military unarmed combat research