- 4th Dan Black Belt by Kukkiwon, South Korea
- 4th Dan Black Belt by Korea YongMooDo Association, South Korea
- 2nd Dan Black Belt by Korea JuDo Association, South Korea
- PoomSae Coach Singapore (level 3)
- Teacher’s Certificate, Ministry of Education, Science & Technology Republic of Korea
- License of Wellness Health master (level 2), South Korea
- Sports massage Certificate, South Korea
- License of Right Posture Master, South Korea
- Sports Chiropractic, South Korea
- License of posture reform master (level 2) , South Korea
- Certificate of Athlete Trainer (level 2) , South Korea
- License of Yongmoodo referee , South Korea
- Yongmudo leaders Certification , South Korea
- 2005 Korea national Yongmoodo Demonstration team member
- 2005 Invited to be the demonstrator of Yongmoodo representing Korea in the U.S.A
- 2006 Korea national Yongmoodo Demonstration team member
- 02.2011 Invited demonstration Taekwondo at the Singapore Taekwondo Federation
- 2012-2013 Martial arts coach, Presidential Security Forces Republic of Indonesia
- 09.2013-11.2013 Taekwondo, Yongmoodo coach, UAE Abu Dhabi SWAT
- 2014 3rd National Taekwondo Demonstration Championships, Singapore, Long Jump Kick, Gold
- 2014 3rd National Taekwondo Demonstration Championships, Singapore, Knife-Hand Breaking, Gold
- 2014 3rd National Taekwondo Demonstration Championships, Singapore, Self Defence, Silver
- 2014 3rd National Taekwondo Demonstration Championships, Singapore, Freestyle Breaking, Bronze
- 2015 4th National Taekwondo Demonstration Championships, Singapore, Knife-Hand Breaking, Gold
- 2015 4th National Taekwondo Demonstration Championships, Singapore, Long Jump Kick, Gold
- 2015 4th National Taekwondo Demonstration Championships, Singapore, High Jump Kick, Gold
