Sensei Cumberton holds a 7th Degree (Master) Black Belt ranking in the Isshinryu Karate & Kobudo System, a 2nd Degree Black Belt rating in Korean Tae Kwon Do and a 1st Degree Black Belt rating in Japanese Yoshukai Karate.

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An experienced former boxer and kickboxer with 47 years of experience, Sensei Cumberton’s teaching style strongly employs the core basics of the Okinawan Isshinryu style, while adding a modern sporting edge to the free sparring component and elevating the Kata to a higher level of presentation.  Self-respect, respect for others and self-defense are stressed.  Sensei Cumberton tailors his teaching style to the individual needs of his students, while helping them grow to better themselves as people.  He holds a Bachelor’s Degree from the University of Georgia and a Master’s Degree from Georgia State University.​

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Sensei Cumberton teaches children's and teen/adult classes. He is also our primary Competition Class instructor, leading our students to excel in their katas and sparring techniques in preparation for competitions.