Apr 1991: Joined Mitsubishi Research Institute, Inc. Oct 1994: Assistant Professor, Faculty of Engineering, The University of Tokyo Oct 1997: Rejoined Mitsubishi Research Institute, Inc. Aug 2006: Established Sochi Inc. (now the Company); assumed office as Representative Director, President (current) Feb 2014: Established VALUENEX, Inc.; assumed office as Board Director (CEO) (current) Apr 2018: Assumed office as CEO of the Company (current) Feb 2019: Assumed office as President and Executive Officer of the Company

Apr 1990: Joined The Taiyo Kobe Mitsui Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Feb 2000: Seconded to Telecomedia Co., Ltd. Apr 2002: Returned to Sumitomo Mitsui Banking Corporation Jan 2010: Seconded to SMBC Consulting Co., Ltd. Oct 2013: Returned to Sumitomo Mitsui Banking Corporation Aug 2019: Joined the Company; assumed office as Head of Corporate Division Oct 2019: Assumed office as Director of the Company; Senior Executive Officer; CFO (current); Board Director (CFO) of VALUENEX, Inc. (current) Mar 2021: Assumed office as Senior Managing Director of the Company (current)

Apr 2008: Joined Morgan Stanley Securities Co., Ltd. Feb 2017: Joined VALUENEX, Inc. Feb 2018: Assumed office as Board Director (COO) of VALUENEX, Inc. (current) Oct 2024: Assumed office as Director of the Company (current)

Apr 1986: Joined Nomura Securities Co., Ltd. Nov 1997: Assumed office as Senior Managing Director, Windmark Investment Advisory Co., Ltd. Jul 2002: Assumed office as Representative Director, Axel Investment Co., Ltd. Dec 2005: Assumed office as Representative Director, President, Well Investment Co., Ltd. (current) Jan 2006: Assumed office as Director, Waseda University Entrepreneurship Research Association (current) Jun 2007: Assumed office as Director, Well Asset Management Co., Ltd. (current) Jul 2009: Assumed office as Steering Committee Member, Japan Venture Capital Association Sep 2009: Obtained Ph.D. in International Business, Waseda University Apr 2011: Assumed office as Part-time Lecturer, Waseda University Business School May 2012: Assumed office as Lead Promoter, START Program, Ministry of Education, Culture, Sports, Science and Technology (now Japan Science and Technology Agency) Jul 2014: Assumed office as Board Member, Japan Venture Capital Association Apr 2017: Assumed office as Visiting Professor, Waseda University (current) Dec 2017: Assumed office as Board Member, Japan Venture Studies Association (current) Jun 2020: Assumed office as Outside Director, Face Co., Ltd. Oct 2020: Assumed office as Director of the Company (current) Mar 2022: Outside Director, Optran Co., Ltd. (current)

Oct 2003: Registered as Attorney-at-Law Oct 2003: Joined Claire Law Office Apr 2006: Assumed office as Legal Consultant, Waseda University Incubation Promotion Office (now Entrepreneurship Center) (current) Jun 2010: Assumed office as Member, Privacy Mark Review Committee, Japan Marketing Research Association (now General Incorporated Association) (current) Jun 2012: Partner, Claire Law Office; assumed office as Director, Venture Enterprise Center (now General Incorporated Foundation) (current) Dec 2014: Opened Turner Law Office; Managing Attorney (current) Oct 2016: Assumed office as Outside Director of the Company (current) May 2020: Assumed office as Auditor, Japan Marketing Research Association (current)

Apr 1977: Joined Mitsui & Co., Ltd. Jul 1989: Assumed office as Deputy Manager, Guangzhou Office, China Oct 1995: Assumed office as Director, Mitsui & Co. Deutschland GmbH; General Manager, Synthetic Resins Department, Head Office; Head of Munich Office Aug 1998: Assumed office as Managing Director, AK&M Trading Co., Ltd., Hong Kong Jul 2002: Assumed office as Deputy President, New Material Service Co., Ltd. Jun 2013: Retired from Mitsui & Co., Ltd. Jul 2013: Assumed office as Director, Representative Executive Officer and COO, GNI Group Ltd. Apr 2015: Assumed office as Advisor, GNI Group Ltd. Jun 2015: Assumed office as Part-time Statutory Auditor, Nikko Co., Ltd. (current) Jul 2015: Assumed office as Full-time Statutory Auditor of the Company (current) Aug 2017: Assumed office as Part-time Statutory Auditor, Qualipros Co., Ltd. May 2020: Assumed office as Part-time Statutory Auditor, Touchence Inc. (current) Jan 2021: Assumed office as Part-time Director, FUTAEDA Inc. Nov 2021: Assumed office as Part-time Statutory Auditor, Bacchus Bio-Innovation Inc. (current) Jun 2022: Assumed office as Part-time Statutory Auditor, PhotoQ3 Inc. (current)

Apr 1985: Joined NEC Corporation Apr 2001: Assumed office as General Manager, Research Department, Internet Systems Research Laboratories, NEC Corporation Dec 2008: Registered as Attorney-at-Law (Dai-Ni Tokyo Bar Association); joined Hikari Sogo Law Office Jun 2011: Opened Miyauchi Hiroshi Law Office (now Miyauchi & Mizumachi IT Law Office); assumed office as Managing Attorney (current) Jul 2015: Assumed office as Statutory Auditor of the Company (current) Nov 2017: Assumed office as Statutory Auditor, Tosui Co., Ltd. (current) Mar 2023: Assumed office as Outside Director, Universal Entertainment Corporation Mar 2025: Assumed office as Outside Director, CyberLinks Inc. (current)

Jul 2000: Registered as Certified Public Accountant (Japan) Apr 2004: Joined Kokugakuin University, Faculty of Economics, as Full-time Lecturer Apr 2007: Assumed office as Associate Professor, Faculty of Economics, Kokugakuin University Oct 2009: Assumed office as Visiting Research Scholar, George Mason University Sep 2011: Registered as Certified Public Accountant (Washington State, USA) Apr 2012: Assumed office as Part-time Lecturer, Waseda University Apr 2013: Assumed office as Professor, Faculty of Economics, Kokugakuin University Oct 2013: Assumed office as Advisor, Study Group on Accounting of Public Interest Corporations, Cabinet Office (current) Oct 2013: Assumed office as Member, Contract Evaluation and Monitoring Committee, Ministry of Economy, Trade and Industry (current) Apr 2015: Assumed office as Member, Working Group on Expenditure Reform, Cabinet Office Apr 2023: Assumed office as Member, Expert Group on EBPM and Expenditure Reform, Cabinet Office (current) Apr 2024: Assumed office as Professor, Graduate School of Accountancy, Waseda University (current) Dec 2024: Assumed office as Statutory Auditor of the Company (current)