Company Info
Founder & Board of Directors

Founder

Hideki Kurashige
Founder and Honorary Chairman
  • Apr. 1966Joined IBM Japan, Ltd.
  • Jan. 1993Executive Vice President
  • Nov. 1993Chairman, Pricewaterhouse Consultants Co., Ltd.
  • Oct. 2002Managing Partner, IBM Business Consulting Services, Asia Pacific
    Chairman, IBM Business Consulting Services KK
  • Feb. 2004Director, President & CEO, Representative Executive Officer, Japan Telecom Co., Ltd.
  • June 2006Representative Director, President
  • Oct. 2006Representative Director, President, RHJI Industrial Partners Asia, Inc.
  • Dec. 2007Representative Director and Chairman, Senior Managing Director, RHJ International Japan, Inc.
  • May 2008Representative Director, CEO, the Company
  • Apr. 2010Representative Director, Chairman
  • Apr. 2013Representative Director, Chairman and President
  • Sept. 2013Director, Adastria Co., Ltd.
  • May 2016Director, Aeon Pet Co., Ltd.
  • June 2018Representative Director, Chairman and CEO, the Company
  • Mar. 2019Representative Director, Chairman
  • June 2023Founder and Honorary Chairman (current position)

Directors

Ryuichi Tomimura
Director and Chairman of the Board
  • Oct. 1983Joined IBM Japan, Ltd.
  • Oct. 1991Joined Recruit Co., Ltd.
  • Jan. 1994Managing Partner, Pricewaterhouse Consultants Co., Ltd.
  • Oct. 2002Vice President, IBM Corporation Business Consulting Service, Asia Pacific
  • Feb. 2004Representative Director, Senior Executive Vice President, Japan Telecom Co., Ltd.
  • June 2006Director, Vice President
  • Oct. 2006Representative Director, Vice President, RHJI Industrial Partners Asia, Ltd.
  • Dec. 2007Representative Director, Managing Director, RHJ International Japan, Inc.
  • May 2008Director, Partner in charge of Corporate Staff Section, the Company
  • Apr. 2010Director, Executive Vice President
  • Aug. 2012Director, Plan･Do･See Inc.
  • June 2015Director, Shinsei Bank, Limited
  • June 2016Representative Director, Executive Vice President, the Company
  • June 2018Representative Director, President and COO
  • Mar. 2019Representative Director, President
  • May 2020Director, VECTOR INC. (current position)
  • June 2023Director and Chairman of the Board (current position)
Hiroshi Ota
Representative Director, President
  • Apr. 1993Joined Japan Airlines Co., Ltd.
  • Oct. 1998Joined Pricewaterhouse Consultants Co., Ltd.
  • Oct. 2006Partner, IBM Business Consulting Services KK
  • Apr. 2009Partner, the Company
  • Apr. 2015Managing Director
  • Apr. 2019Senior Executive Officer
  • Oct. 2021Executive Officer, the Company
    Co-representative Director, SIGMAXYZ Inc.
  • June 2022Director, the Company
  • June 2023Representative Director, President, the Company (current position)
    Representative Director, President, SIGMAXYZ Inc. (current position)
Shunichi Shibanuma
Representative Director, Executive VicePresident
  • Apr. 1995Joined Bank of Japan (seconded to Ministry of Economy, Trade and Industry)
  • Apr. 2004Joined McKinsey & Company Incorporated Japan
  • Sept. 2006Executive Officer, Kazaka Securities Co., Ltd.
  • Oct. 2010Partner, the Company
  • Apr. 2015Managing Director
  • Sept. 2016Director, SX Capital, Inc. (current position)
  • Apr. 2019Senior Executive Officer, the Company
  • Apr. 2021President and Representative Director, SIGMAXYZ Investment Inc. (current position)
  • Oct. 2021Executive Officer, the Company
  • June 2022Director, the Company
  • June 2023Representative Director, Executive Vice President, the Company (current position)
Shinya Tabata
Representative Director, CFO
  • Apr. 1985Joined Ishikawajima-Harima Heavy Industries Co., Ltd.
  • Sept. 1989Joined IBM Japan, Ltd.
  • Feb. 2004Global Business Service CFO
  • July 2006Global Business Service CFO and CFO, IBM Business Consulting Services KK
  • Oct. 2006Global Financing CFO, IBM Japan, Ltd.
  • Sept. 2008CFO and Director of Corporate Planning and Finance Dept., the Company
  • Sept. 2013Director, CFO
  • June 2019Managing Director, CFO
  • June 2022Director, CFO
  • June 2023Representative Director, CFO (current position)
Sono Uchiyama
Director
Director in charge of Communication & Capability
  • Apr. 1993Joined Pricewaterhouse Consultants Co., Ltd.
  • Apr. 2002Director of Communication and PR, IBM Business Consulting Services KK
  • Apr. 2005Director of Communication and Branding, Japan Telecom Co., Ltd.
  • Apr. 2007PR Manager, RHJ International Japan, Inc.
  • May 2008PR Manager, RHJ International Japan, Inc. and Director of Communication Dept., the Company
  • Apr. 2017Director of Communication / Knowledge Management Dept., the Company
  • Apr. 2020Director of Communication & Capability Section, the Company
  • June. 2021Director, the Company, Director of Communication & Capability Section
  • Apr. 2023Director in charge of Communication & Capability (current position)
Shuichi Kondo
Independent Outside Director
  • Apr. 1980Joined the Nikko Securities Co., Ltd. (current SMBC Nikko Securities Inc.)
  • Feb 1998 eneral Manager of Accounting Dept.
  • Mar. 2003Executive Officer in charge of Sales Planning
  • Feb. 2007Managing Director, Assigned to Nagoya Branch
  • Mar. 2010Senior Managing Director in charge of Wholesale Business Promotion
  • Mar. 2016Director and Deputy President
  • June 2016Representative Director, President, Japan Bond Trading Co., Ltd.
  • June 2019Representative Director and Chairman
  • June 2021Director (non - executive), SIGMAXYZ Investment Inc. (current position)
  • June 2022Outside Director, the Company (current position)
Komei Yamaguchi
Independent Outside Director
  • Apr. 1990Joined INTEC Inc.
  • Apr. 2010General Manager of Public Utilities Promotion Dept.
  • Apr. 2012General Manager of Public Utilities Sales Dept.
  • Oct. 2017General Manager of Public Utilities Sales Dept. and General Manager of Healthcare Sales Dept.
  • Apr. 2018General Manager of Metropolitan Social Infrastructure Headquarters and General Manager of Healthcare Sales Dept.
  • Oct. 2018General Manager of Metropolitan Social Infrastructure Headquarters
  • Apr. 2019Executive Officer, General Manager of Social Infrastructure Business Division (current position)
  • June. 2022Outside Director, the Company (current position)
  • Apr. 2023Managing Executive Officer, General Manager of Social Infrastructure Business Division, INTEC Inc. (current position)
Makiko Yamamoto
Independent Outside Director
  • July 1995Joined TMI Associates
  • Apr. 1999Entered the Legal Training and Research Institute of the Supreme Court of Japan
  • Oct. 2000Registered Tokyo Bar Association
  • Sept. 2005Simmons & Simmons (London)
  • Sept. 2006TMI Associates
  • Feb. 2012Registered British Lawyer Solicitor
  • June 2012Simmons & Simmons (London)
  • Sept. 2014TMI Associates
  • June 2016Outside Corporate Auditor, Starzen Co., Ltd.
  • June 2018Outside Director, the Company (current position)
  • June 2019Outside Director (Audit & Supervisory Committee Member), Musashi Seimitsu Industry Co., Ltd. (current position)
  • Feb. 2020Registered at Fukuoka Bar Association
    TMI Partners LPC(Attorney at law)(current position)
  • Mar. 2020Outside Director, ASICS Corporation (current position)
  • Sept. 2021Outside Corporate Auditor, SUSMED, Inc.(current position)
Makiko Yoshida
Independent Outside Director
  • Apr. 1984Joined the Ministry of Posts and Telecommunications of Japanese Government
  • July. 2001Director, Telecommunications User Policy Office,Telecommunications Bureau,Ministry of Internal Affairs and Communications
  • Feb. 2004Deputy Mayor, Setagaya City
  • July. 2007Director, International Policy Division, International Department, Telecommunications Bureau, Ministry of Internal Affairs and Communications
  • July. 2010Director, Budget and Accounts Division, Minister’s Secretariat, Ministry of Internal Affairs and Communications
  • June. 2013Deputy Director-General (IT Policy), Minister’s Secretariat, Ministry of Economy, Trade and Industry
  • Nov. 2013Executive Secretary to the Prime Minister, Cabinet Secretariat
  • July. 2015Director-General of the Global ICT Strategy Bureau, Ministry of Internal Affairs and Communications
  • June. 2016Director-General of Minister’s Secretariat, Ministry of Internal Affairs and Communications
  • July. 2017Director-General, Information and Communication Bureau, Ministry of Internal Affairs and Communications
  • July. 2019Vice-Minister for Policy Coordination, Ministry of Internal Affairs and Communications
  • Sept. 2020Cabinet Public Relations Secretary, Cabinet Secretariat
  • June. 2022President, The Association for Promotion of Public Local Information andCommunication (current position)
  • June. 2022Independent Director and Audit and Supervisory Committee Member, Tokai Tokyo Securities Co., Ltd. (current position)
  • June. 2022Visiting Professor, Showa Women’s University (current position)
  • Sept. 2022Senior Guest Researcher and Part-time Lecturer, Faculty of Science and Engineering, Waseda University (current position)
  • June. 2023Outside Director, the Company (current position)
Fumio Sunami
Outside Director Independent Officer
(Audit & Supervisory Committee Member, full-time)
  • Apr. 1972Joined Mitsubishi Corporation
  • June 1981Corporate Accounting Dept.
  • July 1987Corporate Planning Office
  • Dec. 1989Deputy General Manager, Accounting Division, Mitsubishi International Corporation
  • Mar. 1994Deputy General Manager, International Human Resources Planning Dept., Mitsubishi Corporation
  • Mar. 1996Deputy General Manager, Jakarta Representative Office
  • Mar. 1999Deputy General Manager, Corporate Accounting Dept.
  • Dec. 1999Senior Vice President, Mitsubishi International Corporation
  • Dec. 2002General Manager, CFO, Corporate Administration Division, IT Frontier Corporation
  • Apr. 2004Director, Executive Vice President, CFO, Corporate Administration Division
  • Apr. 2007Representative Director, Executive Vice President, CFO
  • Apr. 2012Audit & Supervisory Board Member, the Company
  • Feb. 2013Audit & Supervisory Board Member (full- time)
  • June 2016Outside Director (Audit & Supervisory Committee Member) (full-time), the Company (current position)
Noburo Hata
Outside Director Independent Officer
(Audit & Supervisory Committee Member, full-time)
  • Apr. 1979Joined Mitsubishi Corporation
  • Apr. 2009Senior Assistant to SEVP, IT Service Development, Senior Assistant to CIO, Mitsubishi Corporation
  • Apr. 2010Senior Assistant to SEVP, Developing Mitsubishi Corporation Group Management Foundations, Senior Assistant Section CEO, Business Service Section, CIO, Corporate Section
  • Nov. 2010General Manager, Business Service Group CEO Office, Group Compliance Officer, Business Service Group, CIO, Business Service Group
  • Feb. 2012Outside Director, the Company
  • Apr. 2012Senior Vice President, General Manager, Business Service Group CEO Office, Senior Assistant to CIO, Mitsubishi Corporation
  • June 2013Audit & Supervisory Board Member, the Company
  • Apr. 2015Senior Vice President, General Manager for Investment, CSR & Environmental Affairs, Business Service Group, Mitsubishi Corporation
  • June 2016Outside Director (Audit & Supervisory Committee Member) (full-time), the Company (current position)
Mitsuhiro Amitani
Outside Director Independent Officer
(Audit & Supervisory Committee Member, part- time)
  • Apr. 1985Registered as an attorney at law
    Joined Hashidate Law Office
  • Nov. 1989Joined Wakita Law Office
  • Mar. 1990Attorney at law of Shimada, Seno, and Amitani Law Office (currently SAH & Co.) (current position)
  • June 2006Outside Audit & Supervisory Board Member, STANLEY ELECTRIC CO., LTD. (current position)
  • May 2013Outside Audit & Supervisory Board Member, HUB CO., LTD. (current position)
  • June 2018Outside Director, the Company
  • June 2022Outside Director (Audit & Supervisory Committee Member), the Company (current position)