Kyokushin Hamai Group 日本語
Executive Board

Executive Board

In September 2026 (Reiwa 8), the Executive Board was established and the organization moved to a new structure. Under the Supreme Advisor and the President, the Vice Presidents, Chief Operating Officer, Senior Advisor and Secretary General each take their part in running the organization. Announcement on the transition to the new structure

Executive Board

President Mika Hamai
PresidentMika Hamai
N
Vice PresidentShinji Nakashima
Vice President Akira Ishikawa
Vice PresidentAkira Ishikawa
Chief Operating Officer Takuya Nemoto
Chief Operating Officer
International Headquarters Director
Takuya Nemoto
Y
Senior AdvisorTakahiro Yamaguchi
Secretary General Hiroshi Kato
Secretary GeneralHiroshi Kato

Roles

Supreme Advisor
Drawing on many years of instruction and international experience, advises on how the organization is run and how it teaches.
President
Represents the organization and bears ultimate responsibility for its philosophy and management.
Vice President
Supports the President and the running of the branches and dojos across the country.
Chief Operating Officer
Oversees the day-to-day operations of the organization as a whole.
Senior Advisor
Keeps watch, from an independent standpoint, that the organization is run soundly and properly.
Secretary General
Heads the Headquarters Office, serving as the external point of contact and handling daily affairs.

Structure

Supreme Advisor
Senior Advisor President Secretary General Independent Assists the President
Vice President Chief Operating Officer

The Supreme Advisor advises; the President bears responsibility for running the organization; the Secretary General assists the President; and the Vice Presidents and Chief Operating Officer carry out the work beneath. The Senior Advisor oversees the organization from an independent standpoint.

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