Joong Do Kwan International
"Traditional training considers the dynamics of a real-world situations, acknowledges human fallability, and provides tactical tools to shut down the opponent."
- Colin Wee


Traditional Martial Arts
"JDK honors tried-and-tested combative systems and principles. Utilizing kata as the framework, we seek inspiration and pass along insights to others."
- Will Just
Welcome to JDK International!
JDK International is about Traditional Martial Arts.
Established in Perth, Australia in 2000 by Colin Wee, JDK Australia has been the home base for many years, and remains as our headquarters.
Now, for the first time, a branch location has opened in the United States! Led by William Just, you can now join us in Schenectady, New York, at JDK USA.
JDK International promotes a dynamic approach to Traditional Martial Arts; blending traditional source material with a modern training methodology.
Our curriculum is designed to promote lifelong fitness, enhance mental acuity, and foster a deep connection between mind, body, and spirit. We believe in equipping our students with the skills and mindset necessary to excel not only in martial arts but also in all aspects of life!
Whether you are a beginner or an experienced martial artist, Joong Do Kwan welcomes you to embark on a transformative journey. Join us in our journey of growth and collaboration!


Instructors Will Just and Colin Wee practice at Northeast TaeKwonDo Academy in Rotterdam, NY at the January 2024 International Seminar



Will Just and Colin Wee warm up before AKATO Seminar in Dallas, TX March 2023
Learn
Dive into the heart of a living, breathing, traditional martial art with Master Colin Wee’s award-winning book Breaking Through: The Secrets of Bassai Dai Kata. This isn’t just a book—it’s a pathway for martial artists seeking unparalleled growth!
Colin’s exploration of the Bassai Dai Kata transcends the boundaries of hard style training, illuminating dynamic practical applications, and timeless training wisdom. Whether you’re a veteran or novice, our mission is: protect traditional systems, uncover tactical insights, and share our knowledge with fearless passion!


Breaking Through
The Secrets of Bassai Dai Kata
Colin Wee