Founder & Chairman

Hideki Kurashige

Founder and Honorary Chairman

Apr. 1966

Joined IBM Japan, Ltd.

Jan. 1993

Executive Vice President

Nov. 1993

Chairman, Pricewaterhouse Consultants Co., Ltd.

May 2000

Outside Director, Jusco Co., Ltd. (currently AEON Co., Ltd.)

Oct. 2002

Managing Partner, IBM Business Consulting Services, Asia Pacific

Chairman, IBM Business Consulting Services KK

Feb. 2004

Director, President & CEO, Representative Executive Officer, Japan Telecom Co., Ltd.

June 2006

Representative Director, President

Oct. 2006

Representative Director, President, RHJI Industrial Partners Asia, Inc.

Dec. 2007

Representative Director and Chairman, Senior Managing Director, RHJ International Japan, Inc.

May 2008

Representative Director, CEO, the Company

Apr. 2010

Representative Director, Chairman

Apr. 2013

Representative Director, Chairman and President

Sept. 2013

Outside Director, Adastria Co., Ltd.

May 2016

Outside Director, Aeon Pet Co., Ltd.

June 2018

Representative Director, Chairman, the Company

June 2023

Founder and Honorary Chairman (current position)

Ryuichi Tomimura

Chairman

Oct. 1983

Joined IBM Japan, Ltd.

Oct. 1991

Joined Recruit Co., Ltd.

Jan. 1994

Managing Partner, Pricewaterhouse Consultants Co., Ltd.

Oct. 2002

Vice President, IBM Corporation Business Consulting Service, Asia Pacific

Feb. 2004

Representative Director, Senior Executive Vice President, Japan Telecom Co., Ltd.

June 2006

Director, Vice President

Oct. 2006

Representative Director, Vice President, RHJI Industrial Partners Asia, Ltd.

Dec. 2007

Representative Director, Managing Director, RHJ International Japan, Inc.

May 2008

Director, Partner, the Company

Apr. 2010

Director, Executive Vice President

Aug. 2012

Outside Director, Plan・Do・See Inc.

June 2015

Outside Director, Shinsei Bank, Limited

June 2016

Representative Director, Executive Vice President, the Company

June 2018

Representative Director, President

May 2020

Outside Director, VECTOR INC. (current position)

June 2023

Director and Chairman of the Board

June 2024

Chairman (current position)

Chairman, Director of the Board, SIGMAXYZ Inc. (current position)

Oct 2024

Outside Director, INFOCOM CORPORATION (current position)

Directors

Hiroshi Ota

Representative Director, President

Apr. 1993

Joined Japan Airlines Co., Ltd.

Oct. 1998

Joined Pricewaterhouse Consultants Co., Ltd.

Oct. 2006

Partner, IBM Business Consulting Services KK

Apr. 2009

Partner, the Company

Apr. 2015

Managing Director

Apr. 2019

Senior Executive Officer

Oct. 2021

Executive Officer, the Company

Co-representative Director, SIGMAXYZ Inc.

June 2022

Director

June 2023

Representative Director, President (current position)

Representative Director, President, SIGMAXYZ Inc. (current position)

Shunichi Shibanuma

Representative Director, Executive VicePresident

Apr. 1995

Joined Bank of Japan (seconded to Ministry of Economy, Trade and Industry)

Apr. 2004

Joined McKinsey & Company Incorporated Japan

Sept. 2006

Executive Officer, Kazaka Securities Co., Ltd.

Oct. 2010

Partner, the Company

Apr. 2015

Managing Director

Sept. 2016

Director, SX Capital, Inc. (current position)

Apr. 2019

Senior Executive Officer, the Company

Apr. 2021

President and Representative Director, SIGMAXYZ Investment Inc. (current position)

Oct. 2021

Executive Officer, the Company

June 2022

Director

June 2023

Representative Director, Executive Vice President (current position)

Shinya Tabata

Representative Director, CFO

Apr. 1985

Joined Ishikawajima-Harima Heavy Industries Co., Ltd.

Sept. 1989

Joined IBM Japan, Ltd.

Feb. 2004

Global Business Service CFO

July 2006

Global Business Service CFO and CFO, IBM Business Consulting Services KK

Oct. 2006

Global Financing CFO, IBM Japan, Ltd.

Sept. 2008

CFO and Director of Corporate Planning and Finance Dept., the Company

Sept. 2013

Director, CFO

June 2019

Managing Director, CFO

June 2023

Representative Director, CFO (current position)

Sono Uchiyama

Director
Director in charge of Communication & Capability

Apr. 1993

Joined Pricewaterhouse Consultants Co., Ltd.

Apr. 2002

Director of Communication and PR, IBM Business Consulting Services KK

Apr. 2005

Director of Communication and Branding, Japan Telecom Co., Ltd.

Apr. 2007

PR Manager, RHJ International Japan, Inc.

May 2008

PR Manager, RHJ International Japan, Inc. and Director of Communication Dept., the Company

Apr. 2017

Director of Communication / Knowledge Management Dept., the Company

Apr. 2020

Director of Communication & Capability Section, the Company

June. 2021

Director, the Company, Director of Communication & Capability Section

Apr. 2023

Director in charge of Communication & Capability (current position)

Komei Yamaguchi

Independent Outside Director

Apr. 1990

Joined INTEC Inc.

Apr. 2010

General Manager of Public Utilities Promotion Dept.

Apr. 2012

General Manager of Public Utilities Sales Dept.

Oct. 2017

General Manager of Public Utilities Sales Dept. and General Manager of Healthcare Sales Dept.

Apr. 2018

General Manager of Metropolitan Social Infrastructure Headquarters and General Manager of Healthcare Sales Dept.

Oct. 2018

General Manager of Metropolitan Social Infrastructure Headquarters

Apr. 2019

Executive Officer, General Manager of Social Infrastructure Business Division

June 2022

Outside Director, the Company (current position)

Apr. 2023

Managing Executive Officer, General Manager of Social Infrastructure Business Division, INTEC Inc. (current position)

Makiko Yamamoto

Independent Outside Director

July 1995

Joined TMI Associates

Apr. 1999

Entered the Legal Training and Research Institute of the Supreme Court of Japan

Oct. 2000

Registered Tokyo Bar Association

Sept. 2005

Simmons & Simmons (London)

Sept. 2006

TMI Associates

Feb. 2012

Registered Solicitor (England and Wales)

June 2012

Simmons & Simmons (London)

Sept. 2014

TMI Associates

June 2016

Outside Corporate Auditor, Starzen Co., Ltd.

June 2018

Outside Director, the Company (current position)

June 2019

Outside Director (Audit & Supervisory Committee Member), Musashi Seimitsu Industry Co., Ltd. (current position)

Feb. 2020

Registered at Fukuoka Bar Association

TMI Partners LPC (Attorney at law)(current position)

Mar. 2020

Outside Director, ASICS Corporation

Sept. 2021

Outside Corporate Auditor, SUSMED, Inc.(current position)

Makiko Yoshida

Independent Outside Director

Apr. 1984

Joined the Ministry of Posts and Telecommunications of Japanese Government

July 2001

Director, Telecommunications User Policy Office,Telecommunications Bureau,Ministry of Internal Affairs and Communications

Feb. 2004

Deputy Mayor, Setagaya City

July 2007

Director, International Policy Division, International Department, Telecommunications Bureau, Ministry of Internal Affairs and Communications

July 2010

Director, Budget and Accounts Division, Minister’s Secretariat, Ministry of Internal Affairs and Communications

June 2013

Deputy Director-General (IT Policy), Minister’s Secretariat, Ministry of Economy, Trade and Industry

Nov. 2013

Executive Secretary to the Prime Minister, Cabinet Secretariat

July 2015

Director-General of the Global ICT Strategy Bureau, Ministry of Internal Affairs and Communications

June 2016

Director-General of Minister’s Secretariat, Ministry of Internal Affairs and Communications

July 2017

Director-General, Information and Communication Bureau, Ministry of Internal Affairs and Communications

July 2019

Vice-Minister for Policy Coordination, Ministry of Internal Affairs and Communications

Sept. 2020

Cabinet Public Relations Secretary, Cabinet Secretariat

June 2022

President, The Association for Promotion of Public Local Information andCommunication (current position)

June 2022

Independent Director and Audit and Supervisory Committee Member, Tokai Tokyo Securities Co., Ltd. (current position)

June 2022

Visiting Professor, Showa Women’s University (current position)

Sept. 2022

Senior Guest Researcher and Part-time Lecturer, Faculty of Science and Engineering, Waseda University (current position)

June 2023

Outside Director, the Company (current position)

Hiroshi Nakahara

Outside Director Independent Officer
(Audit & Supervisory Committee Member, full-time)

Apr. 1981

Joined Ministry of Finance

July 2002

Counselor, the Supervision Bureau of Financial Services Agency

July 2004

Director for Fiscal Investment and Loan Appropriation, the Financial Bureau of Ministry of Finance

July 2005

Director, Government Financial Institutions Division of Minister’s Secretariat

July 2009

Deputy Director-General, the Budget Bureau

June 2013

Director-General, Accounting Center and President of Policy Research Institute, Ministry of Finance

July 2014

Director-General, the Financial Bureau

July 2015

Commissioner, National Tax Agency (resigned in June 2016)

June 2017

Outside Director, the Company (resigned in June 2022)

Oct. 2017

Senior Director, Shinkin Central Bank

June 2022

Representative Director and Deputy President, Shinkin Central Bank (resigned in June 2024)

June 2024

Outside Director (Audit & Supervisory Committee Member) (full-time), the Company (current position)

Mitsuhiro Amitani

Outside Director Independent Officer
(Audit & Supervisory Committee Member, part- time)

Apr. 1985

Registered as an attorney at law

Joined Hashidate Law Office

Nov. 1989

Joined Wakita Law Office

Mar. 1990

Attorney at law of Shimada, Seno, and Amitani Law Office (currently SAH & Co.) (current position)

June 2006

Outside Audit & Supervisory Board Member, STANLEY ELECTRIC CO., LTD. (current position)

May 2013

Outside Audit & Supervisory Board Member, HUB CO., LTD. (current position)

June 2018

Outside Director, the Company

June 2022

Outside Director (Audit & Supervisory Committee Member)(current position)

Mitsuru Komiyama

Outside Director Independent Officer
(Audit & Supervisory Committee Member, part-time)

Aug. 1977

Joined Peat, Marwick, Mitchell & Co. (Tokyo)

Mar. 1979

Registered as Certified Public Accountant in Japan

Sept. 1983

Registered as U.S. Certified Public Accountant in the state of California

Nov. 1984

Opened Komiyama & Co., CPAs

Jan. 2007

Executive Representative Partner, Azabu Partners Tax & Accounting Co. (current position)

July 2010

Deputy President, the Japanese Institute of Certified Public Accountants

June 2015

Outside Director, NITTO KOHKI CO., LTD. (current position)

June 2024

Outside Director (Audit & Supervisory Committee Member) , the Company (current position)