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MANAGEMENT TEAM

Management Team

As of September 29, 2026

  • Ryoji Koshimizu

    President and Representative Director

    Ryoji Koshimizu

  • Kenji Suzuki

    Senior Managing Director

    Kenji Suzuki

  • Mitsuru Noto

    Senior Managing Director

    Mitsuru Noto

  • Hirotaka Azuma

    Director

    Hirotaka Azuma

  • Sanae Shirae

    Director

    Sanae Shirae

  • Satoshi Gotoda

    Director

    Satoshi Gotoda

  • Zenbei Matsumoto

    Director

    Zenbei Matsumoto

  • Hideki Sanada

    Director and Full-time Audit & Supervisory Committee Member

    Hideki Sanada

  • Yuko Sakamoto

    Outside Director and Audit & Supervisory Committee Member

    Yuko Sakamoto

  • Yoshiko Hayakawa

    Outside Director and Audit & Supervisory Committee Member

    Yoshiko Hayakawa

  • Toshiaki Okitsu

    Outside Director and Audit & Supervisory Committee Member

    Toshiaki Okitsu

  • Akiko Shimada

    Outside Director and Audit & Supervisory Committee Member

    Akiko Shimada

Career Summary

October 1980
Joined the Company
September 1990
Appointed as Senior Managing Director of the Company
September 1994
Appointed as President and Representative Director (current position)
December 2000
Appointed as Chairman and Representative Director of eNet Solutions Co., Ltd. (current position)
March 2009
Appointed as Chairman and Representative Director of STS Medic Inc. (current position)
July 2013
Appointed as Director of STS Innovation, Inc.
September 2015
Appointed as Chairman and Representative Director of ACROSS Solutions, Inc. (current position)
January 2016
Appointed as Director of STS Innovation Canada Inc.
June 2023
Appointed as Outside Director of Hokuriku Broadcasting Co., Ltd. (current position)
October 2023
Appointed as Chairman and Representative Director of STS DIGITAL, Inc. (current position)
July 2024
Appointed as President and Representative Director of System Support Division Preparation Company (now System Support Inc.)
September 2025
Appointed as Chairman and Representative Director of System Support Inc. (current position)
January 1970
Joined Recruit Holdings Co., Ltd.
October 1996
Joined NOS Co., Ltd. (now Creva Systems Co., Ltd.)
January 2005
Joined INX Co., Ltd. (now IUK Inc.)
May 2006
Joined the Company
July 2006
Tokyo Branch Office Manager of the Company
September 2009
Appointed as Director
September 2012
Appointed as Managing Director
July 2016
Appointed as Senior Managing Director (current position)
September 2018
Appointed as Chairman and Director of T4C Co., Ltd. (current position)
December 2024
Appointed as Director of System Support Division Preparation Company (now System Support Inc.)
January 2025
Appointed as Senior Managing Director of System Support Inc.
August 2025
Appointed as Director of Echo System Co., Ltd. (current position)
September 2025
Appointed as Advisory Director of System Support Inc. (current position)
April 1978
Joined HOKURIKU COMPUTER SERVICE CO., LTD.
December 1982
Joined the Company
September 1995
Appointed as Director
September 2004
Appointed as Managing Director
March 2012
Appointed as Director of ACROSS Solutions, Inc.
September 2012
Appointed as Senior Managing Director (current position)
July 2013
Appointed as Director and CFO of STS Innovation, Inc. (current position)
January 2016
Appointed as Director of STS Innovation Canada Inc. (current position)
September 2016
Appointed as CFO of STS Innovation Canada Inc. (current position)
October 2023
Appointed as Director of STS DIGITAL, Inc. (current position)
February 2024
Appointed as President and Representative Director of ACROSS Solutions, Inc. (current position)
December 2024
Appointed as Director of System Support Division Preparation Company (now System Support Inc.)
January 2025
Appointed as Senior Managing Director of System Support Inc.
April 1993
Joined Total Solution Partners Inc.
February 1995
Joined the Company
July 2005
Head of Outsourcing Division
July 2022
Kanazawa Branch Office Manager, Head of Management Department, Kanazawa Branch Office, Head of Outsourcing Division
July 2023
Appointed as Executive Officer
Kanazawa Branch Office Manager, Head of Management Department, Kanazawa Branch Office
September 2024
Appointed as Director (current position)
Kanazawa Branch Office Manager, Head of Management Department, Kanazawa Branch Office
December 2024
Appointed as Director of System Support Division Preparation Company (now System Support Inc.)
September 2025
Appointed as President and Representative Director of System Support Inc. (current position)
April 1997
Joined Toyota Motor East Japan, Inc.
November 2006
Joined SOFTBRAIN Co.,Ltd.
April 2009
Joined the Company
July 2015
Head of Administrative Planning Department
July 2018
Executive Officer, Head of Administrative Planning Department
October 2019
Executive Officer, Head of Accounting Department
September 2025
Appointed as Director (current position)
January 2003
Joined SUS Co., Ltd.
September 2004
Joined Nippon Acty systems Co., Ltd.
April 2005
Joined the Company
July 2008
Osaka Office Manager
February 2015
Administrative Planning Department
October 2019
Head of Administrative Planning Department
July 2025
Executive Officer, Head of Administrative Planning Department
July 2026
Executive Officer, General Manager of Corporate Planning Headquarters
September 2026
Appointed as Director (current position)
April 2001
Joined the Company
September 2011
Administrative Planning Department
July 2020
Head of General Affairs Department
July 2025
Executive Officer, Head of General Affairs Department
September 2026
Appointed as Director, General Manager of Management Headquarters (current position)
April 1992
Joined Accenture Japan Ltd
November 1998
Joined I-O DATA, INC.
July 2005
Head of President Office
September 2023
Joined the Company
September 2026
Appointed as Director and Audit & Supervisory Committee Member (current position)
December 1996
Joined Koshiya Corporation
May 2006
Joined KBC, inc.
June 2007
Registered as Labor and Social Security Attorney
April 2008
Registered as Specified Labor and Social Security Attorney
January 2015
Established Sakamoto Labor and Social Security Attorney Office (current position)
October 2017
Registered as a Career Consultant
September 2021
Appointed as Outside Director and Audit & Supervisory Committee Member of the Company (current position)
April 2000
Joined TOHO GAS Information System Co., Ltd.
December 2008
Joined Deloitte Touche Tohmatsu LLC
June 2023
Established Yoshiko Hayakawa Certified Public Accountant Office (current position)
September 2023
Appointed as Outside Director and Audit & Supervisory Committee Member of the Company (current position)
April 1982
Joined Mitsui Mutual Life Insurance Company (now TAIJU LIFE INSURANCE COMPANY LIMITED)
April 2006
General Manager of Sales Education Department
April 2009
Executive Officer, General Manager of Sales Promotion Department, and General Manager of Urban Market Development Department
June 2014
Appointed as Representative Director of MOS CO., LTD. (Hotel Nikko Kanazawa)
May 2019
Appointed as Director of otomura co., ltd.
June 2020
Appointed as Director of HOKUSUI inc. (current position)
January 2021
Appointed as Senior Managing Director of otomura co., ltd. (current position)
September 2024
Appointed as Outside Director and Audit & Supervisory Committee Member of the Company (current position)
October 2006
Registered as an attorney at law
Joined Sukegawa Law Office
July 2009
Joined Kanazawa Mirai Law Office
September 2026
Appointed as Outside Director and Audit & Supervisory Committee Member of the Company (current position)