Director

Chairman of the Board
Nami Fukutomi
Born August 5, 1954
Biography
1981
February
Joined Lawson, Inc.
1986
November
Joined Culture Convenience Club Co., Ltd.
1990
September
Established the Company and Appointed as President and Representative Director
2001
November
Appointed as Representative Director and CEO (Resigned as President)
2012
June
Returned as President and Representative Director
2019
February
Appointed as Chairman of the Board (Incumbent)

Representative Director, President and CEO
Katsuhito Nagatake
Born October 23, 1975
Biography
2000
April
Joined the Company as a New Graduate
2012
November
Appointed Manager of the Sales Division
2014
July
Appointed Executive Officer of the Planning Group
2019
February
Appointed President and Representative Director (Incumbent)

CTO, General Manager of Data Control Division
Fujio Okita
Born May 14, 1962
Biography
1981
April
Joined Kanebo, Ltd.
1987
January
Joined Culture Convenience Club Co., Ltd.
1990
September
Established 8086 Co., Ltd. (Later Merged)
1991
March
Joined the Company
1991
November
Appointed as Managing Director
2000
January
Appointed as Director and CIO
2026
March
Appointed as Director and CTO (Current)

COO, General Manager of Sales Division
Ayano Suzuki
Born February 2, 1988
Biography
2010
April
Joined the Company as a New Graduate
2014
July
Appointed Manager, Sales Division
2020
June
Appointed Executive Officer, Sales Planning Group, Sales Division
2026
March
Appointed Director and COO (Incumbent)

CFO, General Manager of Administration Division
Mitsunori Kitazawa
Born August 11, 1980
Biography
2003
April
Joined the Company as a New Graduate
2011
June
Joined Nisshinbo Holdings Inc.
2024
August
Rejoined the Company; Appointed as Executive Officer, Administration Division
2024
September
Appointed as Director
2026
March
Appointed as Director and CFO (Current)
Outside Director

Outside Director, Formerly of Salesforce.com
Arata Tominaga
Born January 24, 1958
Biography
1980
April
Joined the Bank of Japan
2008
May
Appointed Senior Bank Examiner and Counselor, Financial System and Bank Examination Department, Bank of Japan
2013
June
Appointed as Financial Project Advisor for Salesforce.com Co., Ltd. (currently Salesforce Japan Co., Ltd.)
2021
June
Appointed as Full-time Outside Audit & Supervisory Board Member for PROTO CORPORATION
2026
March
Appointed as Outside Director of the Company (Current)

Outside Director, IBS Software Japan
Hiroyo Kawai
Born August 8, 1970
Biography
1998
November
Joined Benfield Group
2002
April
Joined National Institute of Information and Communications Technology
2005
December
Joined Nomura Securities Co., Ltd.
2008
February
Joined Aon Risk Services Japan Ltd.
2010
October
Joined CLS Bank
2016
March
Joined Kyriba Japan Co., Ltd.
2017
March
Joined Aite Group
2018
October
Joined NTT DATA FA Insurance Systems Japan Corporation
2020
October
Joined Wipro Japan K.K.
2023
November
Joined Tata Consultancy Services Japan, Ltd.
2024
March
Appointed as Outside Director of the Company (Current)
2026
January
Joined IBS Software Japan K.K. and Appointed as Account Director (Current)

Outside Director, Team Dorf
Dorf John Christopher
Born January 21, 1966
Biography
1991
January
Joined Price Waterhouse (currently PricewaterhouseCoopers) in Honolulu, Hawaii
1994
October
Joined Eclipse Computing Co., Ltd. and appointed as Manager
1998
March
Joined SAS Institute Japan Ltd. (currently SAS Institute Japan, Inc.) and was appointed as Director
2000
June
Joined Acxiom Corporation and was appointed as Representative in Japan
2000
December
Joined Landscape Co., Ltd. (currently uSonar Co., Ltd.) and was appointed as Director
2002
June
Established Global Access Advisory Partners LLC and was appointed as President and Representative Director
2003
December
Appointed Representative Director of Experian Japan Co., Ltd.
2004
December
Appointed Corporate Auditor of Experian Japan Co., Ltd.
2009
March
Appointed Representative Director of TMF Japan K.K. (currently TMF Group K.K.)
2010
September
Appointed as Auditor, Groupon Japan K.K.
2011
April
Appointed as Representative Director, LinkedIn Japan K.K.
2013
June
Appointed as Representative Director, LEGOLAND Japan Ltd. (currently LEGOLAND Japan G.K.)
2017
September
Partner, EY Tax Co.
2019
October
Partner, Deloitte Tohmatsu Tax Co.
2025
September
Established Team Dorf LLC and Appointed as Representative Partner (Current)
2026
March
Appointed as Outside Director of the Company (Current)
Director and Audit and Supervisory Committee Member

Full-time Director and Audit and Supervisory Committee Member
Haruka Kudo
Born October 2, 1995
Biography
2018
April
Joined the Company as a New Graduate
2022
August
Appointed Chief of the Humanities Research Team, Research Group, Data Control Division
2022
December
Appointed as Auditor
2024
March
Appointed as Director and Audit & Supervisory Committee Member (Incumbent)

Director and Audit & Supervisory Committee Member
Atsuo Kurosu
Born May 3, 1955
Biography
1979
April
Joined Tokio Marine & Nichido Fire Insurance Co., Ltd. (formerly Tokio Marine and Fire Insurance Co., Ltd.)
2010
July
Appointed Executive Officer and General Manager of the Internal Audit Department, Tokio Marine & Nichido Fire Insurance Co., Ltd.
2013
July
Appointed President and Representative Director of Tokio Marine & Nichido Samuel Co., Ltd. (currently Tokio Marine & Nichido Better Life Service Co., Ltd.)
2016
April
Appointed Full-time Auditor, Japan Organization for Occupational Health and Safety
2020
February
Appointed Outside Audit & Supervisory Board Member, FP Partner Inc.
2025
March
Appointed Outside Director (Audit and Supervisory Committee Member) of the Company (Current)

Director, Audit and Supervisory Committee Member
Jiniko Kobayashi
Born June 3, 1980
Biography
2005
June
Joined Mizugaki Certified Public Accountant Office
2007
January
Joined Arata Audit Corporation (Currently PwC Japan LLC)
2010
July
Registered as a Certified Public Accountant
2011
July
Joined Takao Kobayashi Certified Public Tax Accountant Office (Current)
2011
July
Established Hitoko Kobayashi Certified Public Accountant Office (Current)
2011
September
Registered as a Certified Public Tax Accountant
2021
October
Appointed as Outside Audit & Supervisory Board Member of NISSO CORPORATION
2022
October
Appointed as Outside Director (Audit & Supervisory Committee Member) of NISSO CORPORATION (Current)
2022
December
Appointed as Outside Audit & Supervisory Board Member of Optimed Holdings Co., Ltd. (Current)
2022
December
Appointed as Outside Audit & Supervisory Board Member, Sun System Co., Ltd. (Current)
2022
December
Appointed as Outside Audit & Supervisory Board Member, Optimed Eyes Co., Ltd.
2024
September
Appointed as Outside Director (Audit & Supervisory Committee Member) of the Company (Current)
2025
May
Appointed as Outside Audit & Supervisory Board Member of ST Holdings Co., Ltd. (Current)
2026
January
Appointed as Outside Director of Shoko Co., Ltd. (Current)

Director and Audit & Supervisory Committee Member
Yohei Shimizu
Born March 6, 1982
Biography
2007
September
Registered as an Attorney (Tokyo Bar Association)
2007
September
Joined Ogasawara International Law Office
2008
September
Joined MediaGain Co., Ltd.
2010
November
Established Arcien Law Office and Appointed as Co-Representative Partner (Current)
2018
June
Appointed as Senior Researcher at the Institute of Information Law and Policy (JILIS) (Current)
2026
March
Appointed as Outside Director (Audit and Supervisory Committee Member) of the Company (Current)
Executive Officer

General Affairs and Human Resources Group, Administration Division
Executive Officer, CLO
Noriko Haneda
Born March 2, 1976
Biography
2000
April
Joined the Company as a New Graduate
2012
November
Appointed Manager of the Human Resources Team
2014
July
Appointed as Executive Officer of the Administration Division
2020
March
Appointed as Director and CHRO
2022
December
Appointed as Director and CLO
2023
November
Appointed as Director, CLO, and General Manager of the Administration and Human Resources Group
2026
March
Appointed as Executive Officer and CLO of the General Affairs and Human Resources Group, Administration Division (Current)

Managing Executive Officer and CIO, Data Control Division
Research Group
Akira Matsumoto
Born June 3, 1973
Biography
1994
April
Joined the Company as a New Graduate
2012
November
Appointed as Research Team Manager
2014
July
Appointed as Executive Officer of the Research Group
2022
March
Appointed as Managing Executive Officer of the Research Group
2026
March
Appointed as Managing Executive Officer and CIO of the Research Group (Current)

Managing Executive Officer,
MX Group, Administrative Division
Daiki Yoshikawa
Born September 22, 1975
Biography
2000
April
Joined the Company as a New Graduate
2005
December
Resigned from the Company
2006
January
Joined ACCA Networks (currently SoftBank)
2009
June
Rejoined the Company
2012
November
Appointed Manager of the Project Team
2014
July
Appointed Executive Officer of the Corporate Strategy Team and concurrently serves as Representative Director of Big Base Solutions, Inc.
2022
March
Appointed Managing Executive Officer of the Business Development Group
2026
March
Appointed Managing Executive Officer of the MX Group, Administration Division (Incumbent)

Administration Division, Accounting Group
Managing Executive Officer
Toshiyuki Kobayashi
Born July 3, 1962
Biography
1985
April
Joined Nomura Securities Co., Ltd.
2002
April
Appointed Managing Director and General Manager of Administration Division, SoftBank Investment Corp. (currently SBI Holdings, Inc.)
2009
January
Appointed Executive Officer, Alliance and Human Resources Department, SBI Sumishin Net Bank, Ltd.
2011
June
Appointed Managing Director and General Manager of Administration Division, NFC Holdings, Inc. (SBI Portfolio Company)
2024
April
Appointed Executive Officer of the Company
2024
June
Appointed as Managing Executive Officer and CFO of the Company
2026
March
Appointed as Managing Executive Officer, Accounting Group, Administration Division (Current)

Executive Officer,
CDI Group, Sales Division
Naoki Tsutsui
Born October 4, 1971
Biography
1994
April
Joined a Software Company as a New Graduate
1994
July
Joined the Company
2012
November
Appointed as Manager of the Sales Division
2017
March
Appointed as Executive Officer, CDI Group, Sales Division (Current)

Executive Officer,
Exploration Group, Sales Division
Katsutoshi Tokano
Born March 19, 1975
Biography
1997
April
Joined a real estate company as a new graduate
1997
October
Joined the Company
2012
December
Appointed Manager, Sales Division
2019
April
Appointed Executive Officer, Wide Area Group, Sales Division
2025
January
Appointed Executive Officer, Exploration Group, Sales Division (Current Position)

Sales Division, Overseas Group
Managing Executive Officer
Takashi Ikeda
Born April 15, 1970
Biography
1994
April
Joined a Financial Institution
1998
September
Joined the Company
2000
January
Appointed as Team Leader of Overseas Planning
2005
August
Appointed as Director and General Manager of the Planning Division
2020
March
Appointed as Director, CSO, and General Manager of the Sales Division
2021
March
Appointed as Director, CCO, and General Manager of Sales Division
2022
April
Appointed as Managing Executive Officer of Agency Group
2024
June
Appointed as Managing Executive Officer and General Manager of Sales Division
2026
January
Appointed as Managing Executive Officer and General Manager of the Overseas Group, Sales Division
2026
March
Appointed as Managing Executive Officer of the Overseas Group, Sales Division (Incumbent)

Sales Division, Utilization Group
Executive Officer
Shuhei Hishiro
Born December 15, 1981
Biography
2006
April
Joined the Company as a New Graduate
2017
March
Appointed Manager of the Sales Division
2020
June
Appointed Executive Officer of the Sales Division Utilization Group
2025
January
Appointed Executive Officer of the Sales Division Exploration Group
2026
January
Appointed Executive Officer, Sales Division, Utilization Group (Current)

Executive Officer,
Administration Division, Accounting Group, Finance Team
Sawako Tahara
Born June 29, 1990
Biography
2014
April
Joined the Company as a New Graduate
2014
September
Staff Headquarters Development Team
2015
March
Sales Headquarters
2015
June
Maternity and Childcare Leave
2016
April
Returned to Accounting Team, Administration Division
2016
December
Maternity and Childcare Leave
2017
April
Returned to Accounting Team, Administration Division
2020
March
Appointed as Corporate Auditor
2022
December
Appointed as Sub-Manager, Accounting Group, Administration Division
2023
April
Appointed as Manager, Accounting Group, Administration Division
2023
November
Appointed as Executive Officer and CFO, Accounting Group, Administration Division
2024
June
Appointed Executive Officer, Accounting Group, Administration Division (Current)

Executive Officer,
DX Group, Sales Division
Masashi Yuasa
Born June 25, 1981
Biography
2005
April
Joined the Company as a New Graduate
2013
September
Appointed Manager of the Sales Division
2018
October
Appointed Executive Officer of the Sales Division DX Group (Current)

Executive Officer,
CSIS Group, Sales Division
Atsushi Kanehira
Born December 2, 1979
Biography
2000
August
Joined a systems company as a new graduate
2007
June
Joined the company
2017
May
Appointed as Manager of the Implementation Consulting Team
2023
November
Appointed as Executive Officer, CSIS Group, Sales Division (Current)

Executive Officer,
Research Group, Data Control Division
Hiroko Nagasawa
Born June 11, 1981
Biography
2005
April
Joined the Company as a New Graduate
2014
July
Appointed as Manager of the Research Team
2020
June
Appointed as Executive Officer of the Humanities Research Team, Research Group, Data Control Division
2025
May
Appointed as Executive Officer of the Research Group, Data Control Division (Incumbent)

Executive Officer,
Sonar Group, Data Control Division
Tomokazu Yamamoto
Born August 20, 1979
Biography
2004
April
Joined Ricoh Techno Systems as a New Graduate
2008
August
Joined the Company
2015
June
Appointed as Manager of the Systems Division
2018
January
Appointed as Executive Officer of the Customer Group
2022
April
Appointed as Manager of the Sonar Group, Data Control Division
2023
April
Appointed as Executive Officer of the Sonar Group, Data Control Division (Current Position)

Sales Division, Office of the General Manager of Sales
Executive Officer
Takashi Sono
Born December 22, 1982
Biography
2006
April
Joined the company as a new graduate
2017
May
Appointed as Manager of the Sales Division
2022
September
Appointed Executive Officer, General Affairs and Human Resources Group, Administration Division
2023
November
Appointed Executive Officer, President's Office, Sales Division
2026
March
Appointed Executive Officer, Sales Division, Sales Manager's Office (Incumbent)

Sales Division, Overseas Group
Executive Officer
Shinichi Yamada
Born April 3, 1968
Biography
1992
April
Joined Teikoku Databank, Ltd.
2000
December
Seconded to eGuarantee, Inc.
2001
December
Joined Diamond, Inc.
2007
January
Joined Dun & Bradstreet Japan K.K.
2012
March
Joined Nikkei Inc.
2016
July
Joined RR/DD Co., Ltd. as General Manager of Business Development
2024
April
Appointed as Executive Officer of Sales
2025
January
Appointed as Executive Officer, Existing Accounts and Agency Group, Sales Division
2026
January
Appointed as Executive Officer, Overseas Group, Sales Division (Current Position)

Sales Division, DX Group
Executive Officer
Shinichiro Taguchi
Born April 26, 1985
Biography
2008
April
Joined the Company as a New Graduate
2017
March
Appointed Manager of the Sales Division
2025
January
Appointed Executive Officer, Sales Division DX Group (Current)

Executive Officer,
Administration Division MX Group
Naoki Hiyama
Born October 5, 1968
Biography
1991
April
Joined The Asahi Shimbun Company as a New Graduate
2021
May
Joined the Company
2022
August
Appointed Manager of the MX Team, Administration Division
2026
April
Appointed Executive Officer of the MX Group, Administration Division (Current)

Executive Officer,
Maintenance Team, Data Control Division
Shinichi Tokita
Born October 19, 1974
Biography
1997
April
Joined the Company as a New Graduate
2014
January
Appointed Manager of the System Department Maintenance Team
2026
April
Appointed as Executive Officer, Data Control Division Maintenance Team (Current)

Sales Division, Sales Enablement Group
Executive Officer
Kazuko Takasaki
Born October 9, 1989
Biography
2012
April
Joined the Company as a New Graduate
2021
September
Appointed Manager, Planning Group, Sales Division
2023
November
Appointed Manager, Sales Enablement Group, Sales Division
2026
April
Appointed Executive Officer, Sales Enablement Group, Sales Division (Incumbent)

Secretariat, Data Control Division
Executive Officer
Yoshikage Nakamizo
Born May 30, 1984
Biography
2009
April
Joined the Company as a New Graduate
2017
May
Appointed Manager of the DBA Team, Sonar Group, Data Control Division
2026
April
Appointed as Executive Officer, Data Control Division Secretariat (Current)

Sales Division, Planning Group
Executive Officer
Taku Fujisawa
Born July 20, 1995
Biography
2018
April
Joined the Company as a New Graduate
2023
October
Appointed as Manager, Planning Group, Sales Division
2026
April
Appointed as Executive Officer, Planning Group, Sales Division (Incumbent)