Apr 1989 Joined Shimizu Corporation Oct 2000 Established the Company; Representative Director and President Oct 2010 Visiting Professor, Graduate School of Science and Engineering, Shibaura Institute of Technology Apr 2011 Invited Researcher, Research Institute for Science and Engineering, Waseda University Apr 2021 Outside Director, Tancho Co., Ltd. (current) Oct 2021 Director, Property Data Science Co., Ltd. Apr 2022 Representative Director and Chairman, the Company (current) Apr 2023 Visiting Professor, Graduate School of Creative Science and Engineering, Waseda University Mar 2025 Director, Property Data Technos Co., Ltd. (current) Apr 2026 Research Professor (Visiting), Research Institute for Science and Engineering, Waseda University (current)

Apr 1992 Joined Shimizu Corporation Oct 2003 Joined the Company May 2005 General Manager, SI Business Division Jun 2007 Director Oct 2007 General Manager, Provider Business Division Apr 2010 General Manager, IT Solutions Division Jun 2011 Managing Director Apr 2014 In charge of Sales Division, Solutions Business Division and Provider Business Division Apr 2015 General Manager, Sales Division Jun 2018 Senior Managing Director Sep 2020 General Manager, Sales Division Oct 2020 In charge of Cloud Business Division; General Manager, Cloud Business Division Jun 2021 Deputy President and Director Apr 2022 President and Representative Director (current) Oct 2022 In charge of Next-Generation Strategy Project (current) May 2025 Director, Property Data Science Co., Ltd. (current)

Apr 1993 Joined Sakura Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Oct 2006 Joined the Company; General Manager, Planning and Administration Department Jun 2007 Executive Officer Jun 2008 General Manager, Planning and Administration Division Jun 2008 Director Apr 2010 General Manager, Provider Management Division Apr 2011 General Manager, Sales Division Apr 2015 In charge of Business Planning Department and Business Administration Department Sep 2015 In charge of Legal and Compliance Department Jun 2019 Managing Director (current) Oct 2020 In charge of Planning and Administration Division; General Manager, Planning and Administration Division Oct 2021 President and Representative Director, Property Data Science Co., Ltd. (current) Apr 2022 In charge of Administration Division Oct 2022 In charge of Frontier Business Promotion (current); in charge of Administration Department Apr 2023 Director, Property Data Technos Co., Ltd. (current) May 2023 In charge of Administration Division (current); General Manager, Accounting Department Jul 2024 General Manager, Administration Department (current)

Apr 1990 Joined The Industrial Bank of Japan, Ltd. (now Mizuho Bank, Ltd.) Oct 2003 Joined the Company Oct 2007 General Manager, Asset Solutions Department, Sales and Solutions Division Apr 2011 General Manager, Solutions Department, Solutions Business Division Apr 2013 General Manager, Solutions Business Division Jun 2019 Director (current) Jun 2019 In charge of Solutions Business Division Oct 2020 Deputy General Manager, Cloud Business Division; in charge of Project Promotion Department and SaaS Development Department Jun 2021 General Manager, Cloud Business Division Apr 2022 In charge of Cloud Business Division (current) Apr 2022 Director, Property Data Technos Co., Ltd. Oct 2022 In charge of Service Design Strategy (current) May 2025 Director, Riibo Co., Ltd. (current)

Apr 1994 Joined Shimizu Corporation Apr 2009 Chief Researcher, Secretariat Office Jul 2011 Chief Researcher, Corporate Management Department Apr 2013 Chief Researcher, Industrial Policy and External Relations Department, Corporate Planning Office Aug 2016 Group Leader, Overseas Relations Group, Industrial Policy and External Relations Department, Corporate Planning Office; concurrently Chief Researcher, Next-Generation Research Center; concurrently Chief Researcher, Open Innovation Promotion Group, Technology Strategy Office Apr 2024 Chief Manager, International Branch, Global Business Division (Planning and Administration Department) Oct 2024 General Manager, Business Management Department, Group Management Strategy Office (current) Jun 2025 Outside Director, the Company (current)

Apr 1983 Joined The Industrial Bank of Japan, Ltd. (now Mizuho Bank, Ltd.) Jul 2009 General Manager, Sixteenth Corporate Sales Department, Mizuho Corporate Bank, Ltd. (now Mizuho Bank, Ltd.) Apr 2013 Manager in charge, Operations Department, Kogin Lease Co., Ltd. (now Mizuho Leasing Company, Limited) Oct 2013 Executive Officer, Mizuho Leasing Company, Limited Apr 2016 Managing Executive Officer, Mizuho Leasing Company, Limited Apr 2022 Counselor, Mizuho Leasing Company, Limited Jun 2022 Audit & Supervisory Board Member, M L Estate Co., Ltd. Jun 2023 Outside Director (Full-time Audit and Supervisory Committee Member), the Company (current)

Apr 1978 Joined Yamaha Motor Co., Ltd. Nov 1986 Joined Booz Allen Hamilton Japan (now PwC Consulting Strategy&) Jul 1991 Joined NTT DATA Institute of Management Consulting, Inc. Jul 2004 Director, NTT DATA Institute of Management Consulting, Inc. Apr 2020 Director, Kyoei IT & Business Services Co., Ltd. Apr 2020 Advisor, Yume Technology Co., Ltd. Jun 2020 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jan 2021 Deputy President and Representative Director, Kyoei IT & Business Services Co., Ltd. (current)

Dec 2012 Registered as attorney-at-law; joined Uryu Itoga Law Office Jun 2014 Joined Fairness Law Office Jan 2018 Outside Corporate Auditor, Ideal Brain Co., Ltd. Aug 2018 Joined Tanikawa Hachiro Law Office Nov 2025 Opened TABANE Law Office (current) Jun 2026 Outside Director (Audit and Supervisory Committee Member), the Company (current)