Our Instructors
At Lewis Global Karate, we’re proud to have a team of dedicated and certified instructors who bring a wealth of knowledge and experience to our martial arts community. Our instructors are not just skilled practitioners; they are passionate educators committed to guiding you on your martial arts journey. Get to know the faces behind the expertise:
Matthew Lewis
Sa Bom Nim (Master Instructor)
Matthew Lewis is a Fifth Degree Black Belt in the Global Tang Soo Do Association. He has participated in the martial arts for over 20 years. He received his first degree under Sa Bom Nim Sue Ball. In 2011, he received his Master’s certificate from Grandmaster Tong Mun Kim.
Master Lewis has been teaching at Lewis Global Karate since it was started in 2006.
David Guzman
Sa Bom Nim (Master Instructor)
David Guzman is a Fifth Degree Black Belt in the Global Tang Soo Do Association. He started his training in Tang Soo Do at age 8 under Grand Master Tong Mun Kim. In 2011, he received his Instructor’s certificate and began teaching at Lewis Global Karate.
Master David Guzman continues his martial arts training with Capoeira and JiuJitsu.
Master David also runs tournament training and demo team practice.
Joseph Mitchell
Sa Bom Nim (Master Instructor)
Master Joey Mitchell is a Fifth Degree Black Belt in the Global Tang Soo Do Association. He trained under Master Sue Ball at the Ashford Dunwoody YMCA since he was 8 years old, and got his Master’s certificate when he was 23.
Master Joey has branched out into Judo training, and he is currently a Green belt in that discipline.
He has been teaching at Lewis Global Karate since 2012 and now manages our two satellite programs at Ashford YMCA and Carver YMCA.
Alex Raygoza
Kyo Sa Nim (Certified Instructor)
Alex started training at LGKL at age 14 in 2012. He is a 3rd Degree Black belt and he is a certified instructor (Kyo Sah Nim) in the Global Tang Soo Do Association.
Alex regularly competes in GTA and other Tang Soo Do tournaments and also trains in Muay Thai.
Each instructor is a certified Lewis Global Karate Black Belt and brings their unique insights and teaching style to our classes. They are dedicated to creating a positive and enriching environment where you can learn, grow, and achieve your martial arts goals. We invite you to join us for a class and experience firsthand the expertise and guidance our instructors bring to each session. Whether you’re a beginner or have prior experience, our team is here to support you on your journey to mastering martial arts.
