Poomsae Competition Instructor & SEA Games Gold Medallist
Master Chelsea Sim is a former National Taekwondo Athlete (2009–2020) and the only SEA Games Gold Medallist on the Athletic United Taekwondo teaching team. With multiple Gold medals from international competitions, she brings elite-level expertise and an unwavering passion for the sport to every class she teaches.
Driven by a deep love for taekwondo, Chelsea has transitioned from an elite athlete to a dedicated Poomsae Competition Instructor at Athletic United Taekwondo, channelling that same competitive spirit into nurturing the next generation of taekwondo practitioners.
She believes in helping every child unlock their potential — not only to excel in the sport, but to grow in confidence, perseverance and character. Through her guidance, students are inspired to aim higher, train harder and believe in themselves, continuing the legacy of excellence that defines taekwondo.
Want to train with Master Chelsea Sim?
Book a Free Trial ClassHaving competed at the highest level, Master Chelsea understands what it takes to succeed. Her philosophy centres on three core principles:
Every movement matters. Chelsea teaches students to execute forms with the exactness and grace demanded at competition level, building a strong technical foundation as they progress through each belt level.
Chelsea believes taekwondo is about more than medals. She helps students develop inner confidence, perseverance and the self-belief needed to overcome challenges both on and off the mat.
Drawing from her own journey as a National Athlete, Chelsea prepares students for competition with the same discipline and dedication that earned her international Gold medals.
Master Chelsea leads poomsae-focused training and competition preparation, helping students master forms and develop the precision needed for gradings and tournaments.
Founder & Principal
Master Wayne Law has over 10 years of professional teaching experience and is skilled in both WT and Traditional Taekwondo. He is passionate about helping students of all ages build confidence, discipline and a lifelong love for the sport.
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Senior Instructor & Kyorugi Competition Instructor
A Kukkiwon 5th Dan and renowned sparring expert, Master Yu helps students refine their speed, accuracy and tactical skills. His teaching emphasises practical sparring abilities, strategy and mental resilience to excel in high-level competitions.
Read more →Learn from a SEA Games Gold Medallist. Book a free trial class and experience world-class poomsae instruction at Athletic United Taekwondo.