Apr 2003 Joined Technos Japan Co., Ltd. Apr 2017 Deputy Head, Solution Center, Technos Japan Co., Ltd. Sep 2017 Executive Officer, Head of Engineering Group, TDSE Inc. Jul 2018 Executive Officer, General Manager of Technology and Sales, Engineering Group, TDSE Inc. Jan 2019 Executive Officer, General Manager of Technology, TDSE Inc. Feb 2019 Managing Executive Officer, General Manager of Technology, TDSE Inc. Jun 2019 Director, Managing Executive Officer, General Manager of Technology, TDSE Inc. Jul 2019 Director, Managing Executive Officer, General Manager of Technology, Head of Technology, TDSE Inc. May 2020 Director, Managing Executive Officer, TDSE Inc. Jun 2020 Representative Director, President, TDSE Inc. (current)

Feb 1997 Joined Alice F Co., Ltd. Sep 2000 Joined Unico Technos Co., Ltd. (now Nippon Ladd Co., Ltd.) Dec 2008 Joined Brain Child Co., Ltd. Feb 2014 Executive Officer, Head of Marketing & Sales Group, TDSE Inc. Jun 2018 Executive Officer, Head of Solution Group, TDSE Inc. Jan 2019 Executive Officer, General Manager of Technology, TDSE Inc. Jun 2019 Director, Managing Executive Officer, General Manager of Technology, TDSE Inc. Jul 2019 Director, Managing Executive Officer, Deputy General Manager of Technology, TDSE Inc. May 2020 Director, Managing Executive Officer, TDSE Inc. Jun 2022 Director, Managing Executive Officer, Head of Product Division, TDSE Inc. Apr 2025 Director, Managing Executive Officer, Head of Product Division; concurrently Deputy Head of AI Agent Division, TDSE Inc. Apr 2026 Director, Managing Executive Officer, Deputy Head of Data & AI-Driven Division; concurrently General Manager of Sales, Data & AI-Driven Division, TDSE Inc. (current)

Apr 2013 Joined Brain Child Co., Ltd. Apr 2014 Joined TDSE Inc. Apr 2018 General Manager, Data Science Group No. 5, Data Science Group Supervision, TDSE Inc. Feb 2019 Executive Officer, General Manager of Technology, General Manager of Data Science Group No. 3, TDSE Inc. Jul 2019 Executive Officer, General Manager of Technology, TDSE Inc. May 2020 Managing Executive Officer, General Manager of Technology; concurrently Technology Business Consulting, TDSE Inc. Jun 2022 Managing Executive Officer, Head of Consulting Division; concurrently General Manager of Technology, Consulting Division; concurrently General Manager of Data Science Group, Technology, Consulting Division, TDSE Inc. Feb 2023 Managing Executive Officer, Head of Consulting Division; concurrently General Manager of Data Science Group, Consulting Division, TDSE Inc. Jun 2023 Director, Managing Executive Officer, Head of Consulting Division; concurrently General Manager of Data Science Group, Consulting Division, TDSE Inc. Apr 2025 Director, Managing Executive Officer, Head of Consulting Division; concurrently Head of AI Agent Division, TDSE Inc. Apr 2026 Director, Managing Executive Officer, Head of Data & AI-Driven Division; concurrently General Manager of D3E, Data & AI-Driven Division, TDSE Inc. (current)

Apr 1991 Joined Johnson & Higgins Japan K.K. (now Marsh Japan, Inc.) Apr 2001 Part-time Lecturer, Graduate School of Business Sciences, University of Tsukuba Oct 2001 Joined KPMG Business Assurance (now KPMG AZSA LLC) Aug 2004 Joined Oracle Japan K.K. Jul 2007 Representative Director, Yerba Buena Co., Ltd. Sep 2015 Part-time Lecturer, Faculty of Business Administration, Rikkyo University (current) Dec 2016 Audit & Supervisory Board Member, TDSE Inc. Jan 2019 Representative Director, Yerba Buena Co., Ltd. (current) Jun 2022 Director, TDSE Inc. (current) Feb 2024 Director, Jissen Lab. Initiative Co., Ltd.

Apr 1986 Joined Ota Showa Audit Corporation (now EY ShinNihon LLC) Jul 1990 Joined Wakodo Co., Ltd. Jul 1993 Joined Odai Accounting Office Dec 1999 Joined Technos Japan Co., Ltd. Apr 2013 Internal Audit Office, Technos Japan Co., Ltd. Jul 2016 Joined TDSE Inc., Administration Group Jan 2017 General Manager, Internal Audit Office, TDSE Inc. Jun 2022 Full-time Audit & Supervisory Board Member, TDSE Inc. (current)

Apr 1987 Associate Professor, Faculty of Economics, Kyushu University Apr 1990 Visiting Researcher, Graduate School of Business Administration, University of Washington Apr 2000 Professor, Graduate School of Economics, Kyushu University Oct 2002 Professor, Graduate School of Economics, Kyoto University Apr 2006 Professor, Graduate School of Management, Kyoto University Apr 2012 Director of Graduate School of Management and Director of Education, Kyoto University Oct 2015 Vice President, Kyoto University Apr 2016 Part-time Member, Certified Public Accountants and Auditing Oversight Board, Financial Services Agency (current) Sep 2018 President, Japan Accounting Association Feb 2019 Chairman, Business Accounting Council, Financial Services Agency (current) Apr 2021 Professor Emeritus, Kyoto University (current); Visiting Professor, Graduate School of Management, Kyoto University; Project Professor, Office of Industry-Academia-Government Collaboration, Kyoto University Apr 2021 Trustee, Dean of Faculty of Economics and Business Administration, Professor, Kyoto University of Advanced Science Jun 2021 Audit & Supervisory Board Member, TDSE Inc. (current) Apr 2022 Advisor, Office of Industry-Academia-Government Collaboration (now Growth Strategy Headquarters), Kyoto University (current) Nov 2022 Vice President, Kyoto University of Advanced Science (current)

Apr 2007 Joined Toyo Business Engineering Co., Ltd. (now Business Engineering Co., Ltd.) Feb 2019 Joined EY ShinNihon LLC Sep 2021 Joined Ochanomizu Zeikei Tax Accountant Corporation as Partner Tax Accountant Jun 2022 Audit & Supervisory Board Member, TDSE Inc. (current) Apr 2023 Representative, Jotani Certified Public Accountant and Tax Accountant Office (current)