Masters & Instructors

Our masters and instructors bring their knowledge and specialized expertise in order to provide the best training experience possible.

Grand Master Jae Hyeon Jeon

Technical Advisor of AMAA-Naperville

Coach of MDK-USA

Kukkiwon 6th Dan Black Belt

Kukkiwon Certified Coach, Instructor & Referee

USAT Certified Coach & Referee


Master Chang Hyun An

Director and Head Master of AMAA-Naperville

Head Coach of Team Phoenix

Kukkiwon 5th Dan Black Belt

USAT Certified Coach & Referee

Master Yoon G. Chang

Head Coach of Demo Team

Team Phoenix Poomsae Coach

Kukkiwon 5th Dan Black Belt

USAT Certified Coach & Referee

Master Wonjin Lee

Team Phoenix Sparring Coach

Former Team Korea National Team Member

2014 Asian Games Silver Medalist

Kukkiwon 5th Dan Black Belt


Instructor Nathan Huang

Senior Instructor at AMAA-Naperville

Kukkiwon 1st Dan Black Belt

Instructor Teerana Thabthimthong

Senior Instructor at AMAA-Naperville

Kukkiwon 2nd Dan Black Belt

USAT Certified Coach & Referee