Jun 1998 Joined Advantest America, Inc. Aug 2014 Executive Officer, the Company Sep 2014 Director, President and CEO, Advantest America, Inc. Jun 2017 Senior Managing Executive Officer, the Company Jun 2020 Director and Senior Managing Executive Officer, the Company Jun 2021 Director and Executive Officer, the Company; CSO (Chief Strategy Officer) Jan 2023 Representative Director and Executive Vice President, the Company; Group COO (Group Chief Operating Officer) Jun 2023 Representative Director and Executive Vice President, the Company; Group COO (business strategy, business promotion, technology) (Group Chief Operating Officer); Chairman, Advantest America, Inc. Apr 2024 Representative Director and Executive Officer, the Company (current); Group CEO (business strategy, business promotion, technology) Apr 2025 Group CEO (business strategy and finance, business promotion, technology), the Company Jul 2025 Group CEO, the Company (current)

Apr 1987 Joined the Company Jun 2014 Executive Officer Jun 2015 Senior Managing Executive Officer Jun 2020 Director and Senior Managing Executive Officer Jun 2021 Director and Executive Officer; CTO (Chief Technology Officer) Jan 2023 Representative Director and Executive Vice President; Group Co-COO (Group Co-Chief Operating Officer) Jun 2023 Representative Director and Executive Vice President; Group Co-COO (production, business innovation) (Group Co-Chief Operating Officer) Apr 2024 Representative Director and Executive Officer, President (current); Group COO (administration, production, business innovation) (Group Chief Operating Officer) Jun 2024 Group COO (administration, supply chain, business innovation) (Group Chief Operating Officer) Apr 2025 Group COO (human resources, general affairs, legal, supply chain, business innovation) (Group Chief Operating Officer) Jul 2025 Group COO (Group Chief Operating Officer) (current)

Apr 1999 Joined the Company Jun 2006 Executive Officer Jun 2009 Senior Managing Executive Officer Jun 2013 Director and Senior Managing Executive Officer Jun 2016 Director and Managing Executive Officer Jan 2017 Representative Director and Executive Officer, President; CEO Jan 2023 Representative Director, Executive Officer, President and Group CEO Jun 2023 Representative Director, Executive Officer, President; Group CEO (administration, New Business Promotion Office) Apr 2024 Director, Chairman of the Board (current)

Apr 1978 Joined Mitsubishi Corporation Apr 2009 Executive Officer; Deputy Chief Representative, China, and President, Mitsubishi Corporation (Hong Kong) Ltd. Apr 2011 Executive Officer; Assistant to Corporate Officer in charge of Human Resources, Mitsubishi Corporation Apr 2013 Senior Managing Executive Officer; CEO, Business Services Division, Mitsubishi Corporation Apr 2017 Advisor, Mitsubishi Corporation Jun 2017 Deputy President and Executive Officer, Mitsubishi UFJ Lease & Finance Co., Ltd. (now Mitsubishi HC Capital Inc.) Jun 2019 Director, the Company (current) Apr 2021 Outside Director, Japan Business Systems, Inc.

Sep 1983 Joined Morgan Guaranty Trust Company of New York (now JPMorgan Chase & Co.) Nov 1983 Admitted to the State Bar of California Oct 1984 Admitted to the State Bar of New York May 1994 Senior Managing Director, Kamakura Co., Ltd. Apr 1997 Founded J.T.P. Inc.; Representative Director Mar 2000 Outside Director, Alps Co., Ltd. Dec 2006 Outside Director, Livedoor Holdings Co., Ltd. Mar 2007 Outside Director, Cecile Co., Ltd. Nov 2009 Representative Director, Corporate Officer Development Institute (Public Interest Incorporated Association) Jun 2016 Outside Director, IMAGICA GROUP Inc. (formerly IMAGICA ROBOT HOLDINGS Inc.) Jun 2019 Director, the Company (current) Jun 2025 Managing Director and Founder, Corporate Officer Development Institute (Public Interest Incorporated Association) Apr 2026 Director and Founder, Corporate Officer Development Institute (Public Interest Incorporated Association) (current)

Apr 1978 Joined Toshiba Corporation Jun 2007 General Manager, Production Engineering Center, Toshiba Corporation Apr 2009 General Manager, Production Planning Department, Toshiba Corporation Apr 2011 General Manager, Technology Planning Office, Toshiba Corporation Jun 2012 Senior Executive Officer; General Manager, Technology Planning Office, Toshiba Corporation Jun 2013 Senior Executive Officer; in charge of Procurement and Logistics Group and Production Management Group, Toshiba Corporation Jun 2014 Director and Executive Vice President, Toshiba Corporation (in charge of technology and innovation, IT systems, new business development, R&D center, software technology center) Sep 2015 Executive Vice President, Toshiba Corporation (in charge of R&D management) Apr 2016 Executive Vice President, Toshiba Corporation (in charge of technology management) Nov 2017 Special Advisor, Toshiba Corporation Jun 2023 Director, the Company (current)

Apr 1973 Joined Fujitsu Limited Mar 2001 Joined the Company Jun 2003 Executive Officer Jun 2007 Director and Senior Managing Executive Officer Jun 2009 In charge of corporate planning and management Jun 2010 Director and Managing Executive Officer Jun 2012 Full-time Corporate Auditor Jun 2015 Director, Full-time Audit and Supervisory Committee Member (current)

Oct 1984 Joined Asahi Accounting Firm (now KPMG AZSA LLC) May 1988 Registered as Certified Public Accountant May 2006 Partner, KPMG AZSA LLC Aug 2007 Chairman, Auditing Standards Committee, Japanese Institute of Certified Public Accountants Jul 2010 Managing Director (in charge of quality control standards and auditing standards), Japanese Institute of Certified Public Accountants Jan 2015 Board Member, International Auditing and Assurance Standards Board (IAASB), International Federation of Accountants (IFAC) Feb 2017 Member, Business Accounting Council, Financial Services Agency Jun 2020 Outside Audit & Supervisory Board Member, Furukawa Electric Co., Ltd.; Outside Audit & Supervisory Board Member, Nisshin OilliO Group, Ltd.; Director, Audit and Supervisory Committee Member, the Company (current) Jun 2024 Outside Director (Audit Committee Member), Japan Exchange Group, Inc. (current) Jun 2025 Outside Director, Audit and Supervisory Committee Member, Furukawa Electric Co., Ltd. (current)

Apr 1995 Entered Legal Training and Research Institute Apr 1997 Assistant Judge, Tokyo District Court Jun 2000 Registered as attorney; joined Takahashi Norikatsu Law Office (now Hokusei Law Firm LPC) Sep 2001 Visiting Scholar, Harvard Law School Aug 2002 Registered as attorney in the State of New York Mar 2015 International Fellow, The American College of Trust and Estate Counsel (ACTEC) (current) Apr 2017 Academician, The International Academy of Estate and Trust Law (TIAETL) (current) Dec 2020 Opened Tokyo Heritage Law Office; Principal (current) Jun 2021 Outside Director, Audit and Supervisory Committee Member, TS TECH CO., LTD. (current) Jun 2023 Director, Audit and Supervisory Committee Member, the Company (current)