Name:International Shotokan Ryu Organization

Escritorio: Rua Benvinda Catarina de Jesus 233-Imirim - São Paulo/sp-02470-110 

City: São Paulo
Telephone: + 55-11-99713.9660

E-mail: mirthacbk@yahoo.com.br
Website: https://isokarateoficial.com.br

Administrative Management
President: Mirtha Celayes
E-mail: mirthacbk@yahoo.com.br | mcelayes53@gmail.com | karateiso@gmail.com

Secretary: Oscar Eiji Shigeeda
E-mail: oscarshigeeda@gmail.com

Treasurer: Fausto Bueno
E-mail: Fausto.paulo@gmail.com

Technical Management
Chief Instructor / Technical Directors: Mirtha Celayes, Ivam Da Silva, Roberto Yokomizo, Jose Marcones
E-mail: mirthacbk@yahoo.com.br | ivam.cobrasakai@gmail.com