Sep 2007 Joined Boston Consulting Group K.K. (now Boston Consulting Group G.K.) May 2014 Academic Support Specialist, Global Consumer Intelligence Endowed Course, Graduate School of Engineering, The University of Tokyo May 2014 Joined AppResearch Co., Ltd. (now PKSHA Technology Inc.) Apr 2016 Founded the Company; Representative Director, CEO (current) Sep 2017 Part-time Participant, DigitalBCG Japan, Boston Consulting Group K.K. (now Boston Consulting Group G.K.) Aug 2022 Founded Shiiba & Co., Inc.; Representative Director Jul 2024 Director, X-AI.Labo Co., Ltd.

Apr 2007 Joined National Institute of Advanced Industrial Science and Technology (AIST) Feb 2011 Visiting Researcher, Queen Mary University of London Sep 2012 Joined Boston Consulting Group K.K. (now Boston Consulting Group G.K.) Nov 2015 Joined PKSHA Technology Inc. Apr 2016 Non-full-time Researcher, The University of Tokyo Oct 2016 Representative Director, CTO, the Company Jul 2022 Representative Director, COO and CTO, the Company (current) May 2025 Director, CAGLA Inc. (current)

Apr 1983 Joined Nikken Sekkei Ltd. Aug 1991 Joined Boston Consulting Group K.K. (now Boston Consulting Group G.K.) Jul 2008 Professor, Graduate School of International Corporate Strategy, Hitotsubashi University Jun 2011 Outside Director, Omron Healthcare Co., Ltd. Apr 2012 Dean, Graduate School of International Corporate Strategy, Hitotsubashi University Oct 2012 Outside Director, Japan Display Inc. Jun 2014 Outside Director, WOWOW Inc. Jun 2015 Outside Audit & Supervisory Board Member, Stanley Electric Co., Ltd. Mar 2016 Outside Director, Mitsui Ocean Development & Engineering Co., Ltd. Sep 2016 Professor, Graduate School of Business and Management, Waseda University (current) Dec 2016 Director, Uni-Charm Resonance Foundation (current) Aug 2017 Outside Director, ERI Holdings Co., Ltd. Apr 2020 Visiting Professor, The Open University of Japan Jul 2022 Outside Director, the Company (current) Feb 2023 Visiting Professor, School of Business, Aalto University, Finland Mar 2025 Outside Director, Kyowa Kirin Co., Ltd. (current)

Apr 1981 Joined Nomura Securities Co., Ltd. (now Nomura Holdings, Inc.) Apr 2004 Executive Officer, Nomura Securities Co., Ltd. Apr 2008 President and Executive Officer, Nomura Trust and Banking Co., Ltd. Apr 2011 Senior Managing Executive Officer, Nomura Asset Management Co., Ltd. Jun 2011 Executive Officer, Nomura Holdings, Inc.; Director, CEO and Chairman of Executive Officers, Nomura Asset Management Co., Ltd. Aug 2012 Executive Officer, Nomura Holdings, Inc.; Director, CEO, Chairman and President, Nomura Asset Management Co., Ltd. Apr 2014 Representative Executive Vice President, Nomura Securities Co., Ltd.; President and Representative Director, Nomura Capital Market Research Institute Co., Ltd.; Chairman, Nomura Lujiazui Asset Management (Shanghai) Co., Ltd. Jul 2017 Chairman, Investment Trusts Association, Japan Oct 2020 Representative Director, Japan Flagship Capital Co., Ltd. (current) Apr 2021 Executive Director and Vice President, Chiba University (current) Dec 2022 Outside Director, the Company (current)

Apr 1982 Joined Heiwa Sogo Bank (now Sumitomo Mitsui Banking Corporation) Mar 1984 Joined AD Giken Kogyo Co., Ltd. Oct 1988 Joined Japan CADnetics Co., Ltd. (now Siemens EDA Japan K.K.) Apr 1990 Joined Mentor Graphics Japan Co., Ltd. (now Siemens EDA Japan K.K.) Apr 1993 Joined Japan WordPerfect K.K. (now Corel Corporation) Feb 1994 Joined Mentor Graphics Japan Co., Ltd. (now Siemens EDA Japan K.K.) Jan 1997 Founded sole proprietorship TASKA Apr 2000 Director, TASKA Co., Ltd. Sep 2002 Founded sole proprietorship LEF Mar 2003 Joined D2E2 Co., Ltd. (now Revic Global Co., Ltd.) Feb 2004 Joined 4D Networks Inc. Jul 2005 Joined Nexterm Co., Ltd. (now Pham Co., Ltd.) Mar 2006 Joined M-Out Co., Ltd. May 2008 Joined Taiyo System Technology Co., Ltd. (now Digitalphone Co., Ltd.) Jul 2012 Joined Jade Co., Ltd. (now Locondo Inc.) Nov 2014 Audit & Supervisory Board Member, Jade Co., Ltd. Jun 2017 Joined Crosslink Co., Ltd. Nov 2018 Audit & Supervisory Board Member, And Factory Co., Ltd. Dec 2021 Audit & Supervisory Board Member, the Company (current) Mar 2024 Audit & Supervisory Board Member, narrative Co., Ltd. Jun 2024 Audit & Supervisory Board Member, Links Co., Ltd. (current)

Sep 2011 Joined Nagashima Ohno & Tsunematsu Nov 2013 Joined Boston Consulting Group K.K. (now Boston Consulting Group G.K.) Jan 2016 Joined NK Relations Co., Ltd. (now Noritsu Koki Co., Ltd.) Dec 2018 Joined JMDC Inc. Apr 2020 Director, Kenko Nenrei Small-Amount Short-Term Insurance Co., Ltd. Jul 2020 Director, JMDC Capital Co., Ltd. Oct 2020 Audit & Supervisory Board Member, the Company (current) Dec 2020 Director, FCC Techno Co., Ltd. (current) Apr 2022 Founded KX Capital Group Co., Ltd.; Representative Director (current) May 2022 Founded KX Capital SG Pte. Ltd.; Director (current) Aug 2023 Joined Otaka Sogo Law Office (current)

Apr 2002 Joined Shin Nihon & Co. (now EY Shinnihon LLC) Oct 2020 Founded Yoko Tanaka Certified Public Accountant Office; Representative (current) Dec 2021 Audit & Supervisory Board Member, the Company (current) Oct 2023 Audit & Supervisory Board Member, Upsell Technologies Co., Ltd. (current)