OUR MASTERS · 우리의 사범님들

Meet Our
Masters

SMA is led by Kukkiwon Certified International Taekwondo Masters who bring decades of training, competition, and teaching experience to every class.

사범

Director

Master Agnes Seo

Master Agnes Seo leads SMA with a unique blend of martial arts mastery and business vision. Holding an MBA from Loyola University Maryland alongside her Kukkiwon credentials, she brings both strategic leadership and a deeply mindful approach to student development. A certified yoga teacher and mindfulness instructor, she champions the whole-person growth philosophy at the core of SMA's mission.

5th Degree Black Belt (Kukkiwon)

Master of Business Administration, Loyola University Maryland

Kukkiwon Certified International Taekwondo Master

Kukkiwon Certified Poom Dan Promotion Examiner

Certified USA Taekwondo (USAT) Referee – Poomsae

Certified USA Taekwondo (USAT) Referee – Kyorugi

Registered Yoga Teacher (RYT 500)

Certified ChildLight Yoga & Mindfulness for Children Instructor

Certified FMT Advanced Kinesiology Taping Practitioner

The President's Volunteer Service Award, 2020

Head Master

Master Sangmin Seo

Master Sangmin Seo is the driving force behind SMA's athletic excellence. A graduate of Yong In University — South Korea's most prestigious Taekwondo institution — he brings world-class technical depth and competition coaching expertise to every class. His patient, student-first approach has guided hundreds of students from their first white belt all the way to Black Belt and beyond.

7th Degree Black Belt (Kukkiwon)

Bachelor's Degree in Taekwondo, Yong In University (South Korea)

Kukkiwon Certified International Taekwondo Master

Kukkiwon Certified Poom Dan Promotion Examiner

Certified USA Taekwondo (USAT) Referee – Poomsae

Certified USA Taekwondo (USAT) Referee – Kyorugi

Kukkiwon Certified Taekwondo Master

Black Belts in Gumdo, Hap Ki Do, Judo, Gong Kwon Yu Sul, Yeom Ta Sul

Certified FMT Advanced Kinesiology Taping Practitioner

The President's Volunteer Service Award, 2018

Instructional Coordinator

Master Jumin Yang

Master Jumin Yang is a world-class Poomsae athlete and international high-performance coach. A graduate of Yong In University — where he earned his bachelor's, master's, and doctoral degrees — he built an elite competitive career highlighted by gold medals at the World, World University, and Asian University Taekwondo Championships. Drawing on world-level competition experience and modern performance coaching, he helps athletes develop technical precision, power, and competitive confidence.

5th Degree Black Belt (Kukkiwon)

Bachelor's, Master's, and Doctoral Degrees, Yong In University (South Korea)

2010 World Taekwondo Poomsae Championships – Gold

2011 Summer Universiade – Silver

2012 World University Taekwondo Championships – Gold

2013 Asian University Taekwondo Championships – Gold

2026 Canada Open – Gold

2024 Korea Open – Best Coach

2023 China National Club League – Best Coach

High Performance Coach – Canada

Hong Kong China Taekwondo Team Coach

Taekwondo Professor – Republic of Korea Naval Academy