Apr 1990 Joined Fuji Research Institute Corporation Apr 2001 Joined the Company May 2005 Outside Director, Ehon Navi Co., Ltd. Mar 2007 Part-time Lecturer, Graduate School of Sociology, Konan University (current) Jun 2009 Left the Company Jun 2009 Representative Director, Dots Co., Ltd. Jun 2013 Outside Audit & Supervisory Board Member, MK Seiko Co., Ltd. (current) Jun 2024 Representative Director, President, CEO, the Company (current) Jun 2024 Chairman, Dots Co., Ltd.

Apr 1999 Joined NTT DATA Corporation Apr 2018 General Manager, Manufacturing IT Innovation Business Division, NTT DATA Corporation Apr 2019 General Manager, Marketing Design Division, SDDX Business Department, IT Service & Payment Business Division, NTT DATA Corporation Jun 2019 Director, the Company Jun 2021 Resigned as Director, the Company Jul 2021 General Manager, Service Design Division, SDDX Business Department, IT Service & Payment Business Division, NTT DATA Corporation Apr 2023 General Manager, Corporate Consulting & Marketing Business Division (Corporate Asset-Based Service Promotion Office), NTT DATA Corporation Jun 2023 Director, NTT DATA SMITH Corporation Jun 2023 Director, SB Systems Corporation Jul 2023 General Manager, Retail & Distribution Business Department, Second Industry Business Division, NTT DATA Corporation Jun 2024 Director, NTT DATA Kyushu Corporation Jul 2025 General Manager, Retail & Distribution Business Department, Second Industry Business Division, NTT DATA Corporation Jun 2026 Director, the Company (scheduled)

Apr 2002 Joined NTT DATA Corporation Jul 2021 General Manager, Corporate & Solutions Business Promotion Department, NTT DATA Corporation Jul 2022 General Manager, Corporate Business Promotion Department, NTT DATA Corporation Jan 2025 General Manager, Corporate Business Promotion Department, NTT DATA Corporation (current) Jun 2025 Director, NTT DATA Advanced Technology Corporation Jun 2025 Director, NTT DATA Business Systems Corporation Jun 2025 Director, NTT DATA Customer Service Corporation Jun 2026 Director, the Company (scheduled)

Apr 2002 Joined NTT DATA Corporation Jul 2021 General Manager, Consulting & Solutions Business Division, NTT DATA Corporation Jul 2022 General Manager, Corporate Consulting & Marketing Business Division, NTT DATA Corporation Apr 2024 General Manager, Consulting Business Division, NTT DATA Corporation Oct 2024 General Manager, Planning Department, Consulting Business Division, NTT DATA Corporation (current) Jun 2025 Audit & Supervisory Board Member, NTT DATA Business Integral Corporation Jun 2026 Director, the Company (scheduled)

Apr 2004 Joined NTT DATA Corporation Apr 2024 General Manager, Consulting Business Division, NTT DATA Corporation Apr 2026 Unit Head, Customer & Marketing Unit, Consulting Business Division, Consulting Business Department, NTT DATA Corporation (current) Jun 2026 Director, the Company (scheduled)

Apr 1987 Joined Nippon Telegraph and Telephone Corporation Jul 1999 Transferred to NTT Communications Corporation through organizational restructuring (now NTT Docomo Business, Inc.) Apr 2014 Associate Professor, Faculty of IT and Information Science, Cyber University Apr 2017 Professor, Faculty of IT and Information Science, Cyber University Apr 2017 Joined Institute for Information and Communications Research Apr 2020 Professor, Faculty of Information Science, Kaishi Professional University Jun 2023 Vice President, The Japan Society for Management Information (current) Apr 2024 Professor, Faculty of Business Administration, Osaka University of Economics (current) Jun 2026 Outside Director, the Company (scheduled)

Apr 2010 Joined Hakuhodo Inc. Jun 2012 Joined Advantage Partners Investment Limited Liability Partnership (now Advantage Partners, Inc.) Nov 2015 Joined Asuka Holdings Co., Ltd. Dec 2019 Founded GO FUND Investment Limited Liability Partnership (now THE CREATIVE FUND Investment Limited Liability Partnership), Managing Partner (current) Apr 2021 Full-time Lecturer, Faculty of Art, Kyoto University of the Arts Apr 2022 Outside Director, Audit and Supervisory Committee Member, AD Works Group Inc. Oct 2023 Outside Director, NOT A HOTEL DAO Inc. (current) Jan 2024 Director, Japan Venture Capital Association (current) May 2025 Specially Appointed Lecturer, Graduate School of Business Administration, Keio University Sep 2025 Outside Director, Audit and Supervisory Committee Member, the Company (current) Apr 2026 Visiting Lecturer, Graduate School of Business Administration, Keio University (current)

Apr 1987 Joined Nippon Telegraph and Telephone Corporation Jul 1988 Transferred to NTT Data Communications Systems Corporation (now NTT DATA Corporation) Jul 2002 General Manager, Business Development Division, NTT Data Communications Systems Corporation Jun 2003 General Manager, Information Strategy Department, NTT Data Communications Systems Corporation May 2004 General Manager, IT Management Office, NTT Data Communications Systems Corporation Jul 2010 General Manager, Planning Department, Business Solutions Division, NTT Data Communications Systems Corporation Apr 2011 Business Unit Head, Platform & Service BU, Business Solutions Division, NTT Data Communications Systems Corporation Jul 2012 Business Unit Head, Cloud Computing BU, Business Solutions Division, NTT Data Communications Systems Corporation Apr 2014 General Manager, Cloud Computing Business Department, Business Solutions Division, NTT Data Communications Systems Corporation Jul 2015 General Manager, Digital Business Solutions Business Department, Business Solutions Division, NTT Data Communications Systems Corporation Jul 2016 Seconded to NTT DATA CCS Corporation (now NTT DATA CCS Corporation) as Executive Officer, Deputy General Manager, Corporate Planning Division Oct 2016 Executive Officer, General Manager, Corporate Planning Division, NTT DATA CCS Corporation Jan 2017 Director and Executive Officer, General Manager, Corporate Planning Division, NTT DATA CCS Corporation Jun 2020 Director and Managing Executive Officer, General Manager, Corporate Planning Division, NTT DATA CCS Corporation Jun 2024 Managing Director, General Manager, Corporate Management Division, Cunie Inc. (now Fortience Consulting Co., Ltd.) Jun 2026 Audit & Supervisory Board Member, NTT DATA SMS Corporation (current) Jun 2026 Director, Audit and Supervisory Committee Member, the Company (scheduled)

Dec 2012 Registered as Attorney-at-Law Jan 2013 Joined TMI Associates Oct 2023 Joined Miura & Partners Jan 2025 Partner, Miura & Partners (current) Jun 2026 Outside Director, the Company (scheduled)