Apr 1995: Joined CFJ Co., Ltd. Nov 1997: Joined JUSTSYSTEMS Corporation Sep 2010: Established the Company; assumed office as Representative Director, President and CEO (current) Apr 2025: Assumed office as Director, directX Ventures Co., Ltd. (current) Oct 2025: Assumed office as Director, IU BIM STUDIO Co., Ltd. (current)

Apr 1997: Joined Fujitsu Business Systems Ltd. (now Fujitsu Japan Ltd.) Oct 2000: Joined A.I.P. Co., Ltd. (now Rakuten Insight Global Inc.) Apr 2001: Joined JUSTSYSTEMS Corporation Dec 2010: Joined the Company Sep 2011: Assumed office as Director, COO of the Company (current)

Apr 1982: Joined Daiwa Securities Co., Ltd. Jun 2008: Assumed office as Director and Audit Committee Member, Daiwa Securities Group Inc. Assumed office as Audit & Supervisory Board Member, Daiwa Securities Co., Ltd. Assumed office as Audit & Supervisory Board Member, Daiwa SB Investments Ltd. (now Sumitomo Mitsui DS Asset Management Co., Ltd.) Assumed office as Audit & Supervisory Board Member, Daiwa Property Co., Ltd. (now Daiwa Securities Facilities Co., Ltd.) Apr 2011: Assumed office as Director and Managing Executive Officer, Daiwa Securities Group Inc. Assumed office as Executive Officer, Daiwa Securities Co., Ltd. Assumed office as Executive Officer, Daiwa Securities Capital Markets Co., Ltd. (now Daiwa Securities Co., Ltd.) Apr 2012: Assumed office as Managing Executive Officer, Daiwa Securities Co., Ltd. Jun 2013: Assumed office as Director, Daiwa Securities Group Inc. Apr 2014: Assumed office as Senior Managing Director, Daiwa Institute of Research Holdings Ltd. (now Daiwa Institute of Research Ltd.) Assumed office as Senior Managing Director, Daiwa Institute of Research Ltd. Assumed office as Senior Managing Director, Daiwa Institute of Research Business Innovation Ltd. (now Daiwa Institute of Research Ltd.) Apr 2018: Assumed office as Representative Director and President, Daiwa Securities Business Center Co., Ltd. Apr 2021: Assumed office as Adviser, Daiwa Securities Business Center Co., Ltd. Mar 2022: Assumed office as Outside Director of the Company (current) Feb 2024: Assumed office as Audit & Supervisory Board Member, Japan Activation Capital Co., Ltd. (formerly Newton Investment Partners Co., Ltd.) (current)

Apr 1976: Joined Kamisaki Seishi Co., Ltd. (now Oji Holdings Corporation) Jun 2003: Assumed office as Managing Director, Medical Corporation Oji General Hospital (seconded from Oji Paper Co., Ltd.) Jun 2006: Joined Oji Real Estate Co., Ltd. (seconded from Oji Paper Co., Ltd.) Jun 2009: Assumed office as Audit & Supervisory Board Member, Oji Engineering Co., Ltd. Apr 2017: Assumed office as Audit & Supervisory Board Member of the Company (current)

Apr 2000: Joined Daiwa Institute of Research Ltd. Feb 2002: Joined KPMG Business Assurance Co., Ltd. (now KPMG Consulting Co., Ltd.) Dec 2005: Joined Reveal Laboratory Co., Ltd. Oct 2006: Established Geisha Tokyo Entertainment Co., Ltd. and assumed office as Director Apr 2018: Assumed office as Executive Officer, Flect Co., Ltd. Nov 2020: Joined the Company Oct 2021: Assumed office as CFO of the Company Mar 2022: Assumed office as Director and CFO of the Company (current) Nov 2024: Assumed office as Director, Systems M's Co., Ltd. (current) Apr 2025: Assumed office as Representative Director, directX Ventures Co., Ltd. (current) Oct 2025: Assumed office as Director, IU BIM STUDIO Co., Ltd. (current)

Apr 1973: Joined IBM Japan, Ltd. Jan 2002: Assumed office as Director, IBM Japan, Ltd. Apr 2004: Assumed office as Executive Officer, Global Business Services Industrial, IBM Japan, Ltd. May 2006: Assumed office as Executive Officer, Global Business Services Application Services, IBM Japan, Ltd. Jan 2007: Assumed office as Senior Managing Director, IBM Japan Services Co., Ltd. Apr 2008: Assumed office as Representative Director and President, JAL Infotec Co., Ltd. Nov 2011: Assumed office as Adviser, IBM Japan, Ltd. Sep 2014: Assumed office as Part-time Lecturer, Faculty of Knowledge Engineering, Tokyo City University Mar 2018: Assumed office as Full-time Audit & Supervisory Board Member, LTS Inc. Mar 2019: Assumed office as Outside Director (Full-time Audit and Supervisory Committee Member), LTS Inc. (current) Jun 2021: Assumed office as Outside Director, Sango Co., Ltd. Jun 2022: Assumed office as Audit & Supervisory Board Member, Wakuto Co., Ltd. (current) Jun 2024: Assumed office as Director, Sango Monozukuri Foundation (current) Mar 2026: Outside Director of the Company (scheduled to assume office)

Apr 1985: Joined Burroughs K.K. (now BIPLOGY Co., Ltd.) Jan 1991: Joined KPMG Century Audit Corporation (now Azsa LLC) Apr 1995: Assumed office as Examiner, Information Technology Engineers Examination, Information-technology Promotion Agency, Japan (IPA) Jun 1999: Assumed office as President, ISACA Tokyo Chapter Apr 2000: Joined KPMG Business Assurance Co., Ltd. (now KPMG Consulting Co., Ltd.) (transferred from KPMG Century Audit Corporation) Jul 2009: Joined KPMG AZSA LLC (now Azsa LLC) (following merger with KPMG Business Assurance Co., Ltd.) Jan 2010: Assumed office as Technical Adviser, Administrative Management Bureau, Ministry of Internal Affairs and Communications Jul 2011: Assumed office as Full-time Audit & Supervisory Board Member, Geisha Tokyo Entertainment Co., Ltd. Sep 2011: Assumed office as Specially Appointed Professor (Information Security), Graduate School of Business and Commerce, Keio University Oct 2021: Assumed office as Audit & Supervisory Board Member of the Company (current)

Apr 1996: Registered as an attorney; joined Fuji Partners Law Office (current) Jul 2015: Assumed office as Outside Director, Toshiba Plant Systems & Services Corporation Apr 2016: Assumed office as Civil Advocacy Instructor, Legal Training and Research Institute of the Supreme Court Feb 2020: Assumed office as Examiner, National Bar Examination Preliminary Test (Civil Procedure Law) (current) Mar 2021: Assumed office as Audit & Supervisory Board Member of the Company (current) Apr 2021: Assumed office as Vice President, Daiichi Tokyo Bar Association; Director, Kanto Federation of Bar Associations Jun 2022: Assumed office as Outside Audit & Supervisory Board Member, Sandrac Co., Ltd. (current) Assumed office as Outside Director (Audit and Supervisory Committee Member), Tokoh Co., Ltd. (current)