If you are interested in joining the JKA, or have questions concerning continued membership
in JKA, please contact us at one of the following websites:
Arizona Karate Association
Shojiro Koyama
JKA/WF Chief Instructor, Western Region
arizonakarate.com
South Atlantic Karate Association
Shigeru Takashina
JKA/WF Chief Instructor, South Atlantic Region
jkasaka.org
JKA/WF
Yasuaki Nagatomo
Operational Director
jkawfamericas.org