as of June 19, 2025
For the reasons for elections as directors, please refer to the Notice of 2025 Annual General Meeting of Shareholders.
Notice of 2025 Annual General Meeting of Shareholders (PDF: 1.68MB/60P)
About concurrent positions, please refer to Yokogawa Corporate Governance Report.
Yokogawa Corporate Governance Report (PDF:835KB/37P)
Hitoshi Nara

Mr. Hitoshi Nara properly supervises management as a Director. He has spearheaded the execution of business as President and Chief Executive Officer since FY2019 and President & CEO, Representative Executive Officer since June 2024 after being engaged in operations for the sales department of the Company’s industrial automation and control business, serving as President of domestic and overseas subsidiaries and working on the launch of new business, and has abundant experience and track records as a corporate manager. Because he is expected to continuously contribute to improvement of corporate value and strengthening of the decision-making function and the management supervision function of the Board of Directors by utilizing his experience in management and track records, he has been elected as a Director.
Apr. 1985 | Joined the Company |
Oct. 2001 | Deputy Managing Director of Yokogawa Engineering Asia Pte. Ltd. |
Oct. 2003 | Managing Director of Yokogawa (Thailand) Ltd. |
Jan. 2007 | Head of Sales Div. I, Industrial Solutions Business Headquarters of the Company |
Apr. 2010 | Senior Vice President, Head of Industrial Solutions Business Headquarters |
Jun. 2011 | Director and Senior Vice President, Head of Industrial Solutions Business Headquarters |
Apr. 2012 | Director and Senior Vice President, Head of Industrial Solutions Service Business Headquarters |
Apr. 2013 | Director of the Company, President of Yokogawa Solution Service Corporation |
Apr. 2017 | Director and Executive Vice President, Chief Executive for Japan and Korea, and President of Yokogawa Solution Service Corporation |
Apr. 2018 | Director and Executive Vice President, Head of Life Innovation Business Headquarters |
Apr. 2019 | President and Chief Executive Officer |
Jun. 2024 | Director, President & CEO, Representative Executive Officer |
Apr. 2025 | Director, Executive Chairperson, Representative Executive Officer (present) |
Number of years since appointment as a Director: 14 years
Kunimasa Shigeno

Mr. Kunimasa Shigeno has many years of experience as an engineer in our control business and has built strong relationships with customers in the Middle East through his extensive experience and achievements in project management and subsidiary management overseas, particularly in the Middle East. From fiscal 2024, as the head of the Digital Solutions Division, which is the core of the control business, he contributed to the expansion of the control business through the streamlining of operations and the creation of new value. He has been appointed President & CEO, Representative Executive Officer in April 2025. Because he is expected to contribute to improvement of corporate value and strengthening of the decision-making function and the management supervision function of the Board of Directors by utilizing his experience in management and track records, he has been elected as a Director.
Apr. 1991 | Joined the Company |
May 2008 | Vice President, Engineering Business, Yokogawa Saudi Arabia Company (L.L.C.) |
Apr. 2016 | Executive Vice President, Engineering Business,Yokogawa Saudi Arabia Company (L.L.C.) |
Apr. 2018 | Vice President, Head of Global Business Service Headquarters of the Company |
Apr. 2021 | President & CEO of Yokogawa Middle East & Africa B.S.C.(c) |
Apr. 2023 | Vice President, Regional Chief Executive for Middle East & Africa of the Company, and President & CEO of Yokogawa Middle East & Africa B.S.C.(c) |
Apr. 2024 | Senior Vice President, Head of Digital Solutions Headquarters of the Company |
Jun. 2024 | Senior Vice President & Executive Officer, Head of Digital Solutions Headquarters |
Apr. 2025 | President & CEO, Representative Executive Officer (present) |
Hikaru Kikkawa

Mr. Hikaru Kikkawa properly supervises management as a Director, and he has appropriately supervised management as an audit committee member. He has many years of experience in theCompany’s accounting and treasury division and business units including overseas subsidiaries, and He has extensive experience and achievements in the Company’s management, including demonstrating a high level of competence and expertise in management auditing as the head of the internal audit department. Because he is expected to contribute to improvement of corporate value and strengthening of the decision-making function and the management supervision function of the Board of Directors by utilizing his experience in management and track records, he has been elected as a Director.
Apr. 1989 | Joined the Company |
Apr. 2011 | Head of PR/IR Office, Corporate Administration Headquarters |
Apr. 2012 | Head of Corporate Planning Office, Corporate Headquarters |
Apr. 2016 | Head of Business Planning Office, Marketing Headquarters |
May 2017 | President of Yokogawa America do Sul S.A.S. |
Apr. 2020 | Vice President, Head of Audit, Compliance and Quality Assurance Headquarters of the Company |
Apr. 2022 | Vice President, Head of Audit & QHSE Headquarters |
Apr. 2024 | Internal Audit Headquarters |
Jun. 2024 | Director (present) |
Number of years since appointment of as a Director : 1 year
Michiko Nakajima

Ms. Michiko Nakajima properly supervises management as a Director. She has many years of experience in the accounting and treasury division of the Company, and in fiscal year 2024, she concurrently served as Vice President & Executive Officer as the person responsible for the accounting and treasury division, and therefore she has a wealth of knowledge and experience in the management of the Company. Because she is expected to contribute to improvement of corporate value and strengthening of the decision-making function and the management supervision function of the Board of Directors by utilizing her experience in management and track records, she has been elected as a Director.
Apr. 1994 | Joined the Company |
Apr. 2014 | Head of Budget Control Department, Accounting & Treasury Headquarters |
Apr. 2016 | Head of Treasury Department, Accounting & Treasury Headquarters |
Apr. 2018 | Head of Accounting & Treasury Center, Corporate Administration Headquarters |
Apr. 2021 | Vice President, Head of Accounting & Treasury Headquarters |
Jun. 2024 | Director, Vice President & Executive Officer, Head of Accounting & Treasury Headquarters (present) |
Number of years since appointment of as a Director : 1 year
Akira Uchida

Mr. Akira Uchida properly supervises management as an Outside Director and has contributed to the efficient operation of the Board of Directors as the Chairperson of the Board of Directors since June 2024. He has been elected as an Outside Director so that he can contribute to greater operational fairness, objectivity, and transparency with respect to supervision of management of the Company based on his high level of insight as a corporate manager and extensive experience in the corporate administration field centered on the Finance and Controller’s Division.
Apr. 1975 | Joined Toray Industries, Inc. |
Jun. 1996 | Executive Vice President of Toray Industries (America), Inc. |
Jun. 2000 | Senior Manager of Corporate Planning 1st Department and Corporate Communications Department, Toray Industries, Inc. |
Jun. 2004 | Associate Director of Corporate Planning Department and Investor Relations Department, Toray Industries, Inc. |
Jun. 2005 | Vice President (Member of the Board), General Manager of Finance & Controller's Division, Toray Industries, Inc. President of Toray Holding (U.S.A.), Inc. |
Jun. 2009 | Senior Vice President (Member of the Board), General Manager of Finance & Controller's Division, Toray Industries, Inc. President of Toray Holding (U.S.A.), Inc. |
Jun. 2012 | Senior Vice President (Member of the Board), Chief Investor Relations Officer, Chief Social Responsibility Officer, General Supervisor for General Administration & Legal Division, Corporate Communications Department, Advertising Department, General Manager of Tokyo Head Office, Toray Industries, Inc. |
Jun. 2016 | Counselor, Toray Industries, Inc. (retired in March 2019) |
Jun. 2019 | Director of the Company (present) |
Number of years since appointment as a Director: 6 years
Concurrent Positions
Auditor, Suga Weathering Technology Foundation
Kuniko Urano

Ms. Kuniko Urano properly supervises management as an Outside Director and since June 2024, as the chairperson of the Nomination Committee, she has been appropriately and efficiently managing this committee. She has been elected as an Outside Director so that she can contribute to greater operational fairness, objectivity, and transparency with respect to supervision of management of the Company based on her a high level of insight as a corporate manager and extensive experience in divisions of production, personnel/education, public relations/CSR, etc., in major manufacturing companies.
Apr. 1979 | Joined Komatsu Ltd. |
Apr. 2005 | General Manager of Logistics Planning Department, Production Division of Komatsu Ltd. |
Apr. 2010 | General Manager of Corporate Communications Department of Komatsu Ltd. |
Apr. 2011 | Executive Officer, General Manager of Corporate Communications Department of Komatsu Ltd. |
Apr. 2014 | Executive Officer, General Manager of Human Resources Department of Komatsu Ltd. |
Apr. 2016 | Senior Executive Officer, General Manager of Human Resources Department of Komatsu Ltd. |
Jun. 2018 | Director and Senior Executive Officer of Komatsu Ltd. |
Apr. 2021 | Director of Komatsu Ltd. |
Jun. 2021 | Director of the Company (present) |
Jul. 2021 | Senior Adviser of Komatsu Ltd. (retired in june 2024) |
Number of years since appointment as a Director: 4 years
Concurrent Positions
Outside Director of MORINAGA & CO., LTD.
Outside Director of NIPPON STEEL CORPORATION
Takuya Hirano

Mr. Takuya Hirano properly supervises management as an Outside Director, and since June 2024, as the chairperson of the Compensation Committee, he has been appropriately and efficiently managing this committee. He has been elected as an Outside Director so that he can contribute to greater operational fairness, objectivity, and transparency with respect to supervision of management of the Company based on his high level of insight as a corporate manager and wide-ranging practical experience in the business divisions of a global IT firm.
Dec. 1995 | Joined Kanematsu USA |
Feb. 1998 | Joined Hyperion Solutions Corporation (the present Oracle Corporation) |
Feb. 2001 | President of Hyperion Solutions Japan |
Aug. 2005 | Senior Director, Business & Marketing Division of Microsoft Co., Ltd. (the present Microsoft Japan Co., Ltd.) |
Feb. 2006 | General Manager, Enterprise Service of Microsoft Co., Ltd. |
Jul. 2007 | General Manager, Enterprise Business & Enterprise Service of Microsoft Co., Ltd. |
Mar. 2008 | General Manager, Enterprise Business of Microsoft Co., Ltd. |
Sep. 2011 | General Manager, Multi-country of Microsoft Central and Eastern Europe |
Jul. 2014 | Executive Vice President, Marketing & Operations of Microsoft Japan Co., Ltd., |
Mar. 2015 | Representative Officer, Executive Deputy President of Microsoft Japan Co., Ltd. |
Jul. 2015 | President of Microsoft Japan Co., Ltd. (retired in August 2019) |
Sep. 2019 | Vice President, Global Service Partner Business of Microsoft Corporation (retired in September 2022) |
Jun. 2022 | Director of the Company (present) |
Number of years since appointment as a Director: 3 years
Concurrent Positions
Co-founder of Three Fields Advisors LLC
Founder of Crosspoint LLC
Chairman (Part-time Member) of Yayoi Co., Ltd.
Outside Director of Renesas Electronics Corporation
Independent Director of Fujitsu Limited
Yujiro Goto

Mr. Yujiro Goto properly supervises management as an Outside Director. He has been elected as an Outside Director so that he can contribute to greater operational fairness, objectivity, and transparency with respect to supervision of management of the Company based on his wide knowledge and experience as a corporate manager and corporate transformation, new business development, and M&A at a major manufacturing company.
Apr. 1980 | Joined Nippon Shokubai Kagaku Kogyo Co., Ltd.(the present NIPPON SHOKUBAI CO.,LTD.) |
Apr. 2011 | Deputy Director of Production Div., and General Manager of Production & technology Dept. of NIPPON SHOKUBAI CO., LTD. |
Apr. 2012 | Plant Manager of Kawasaki Plant of NIPPON SHOKUBAI CO., LTD. |
Jun. 2012 | Executive Officer, Plant Manager of Kawasaki Plant of NIPPON SHOKUBAI CO., LTD. |
Jun. 2015 | Member of the Board, Managing Executive Officer in charge of production and technology departments of NIPPON SHOKUBAI CO., LTD. |
Apr. 2017 | President and Representative Member of the Board of NIPPON SHOKUBAI CO., LTD. |
Jun. 2022 | Member of the Board, Chairman of NIPPON SHOKUBAI CO., LTD. |
Jun. 2023 | Advisor of NIPPON SHOKUBAI CO., LTD. (present) Director of the Company (present) |
Number of years since appointment as a Director: 2 year
Concurrent Positions
Advisor of NIPPON SHOKUBAI CO.,LTD.
Vice Chairman of Science Technology and Industrial Development Committee of Kansai Economic Federation
Makoto Ohsawa

Mr. Makoto Ohsawa properly supervises management as an Outside Director, and as an audit committee member, he has been appropriately auditing the management. He has a high level of insight based on his perspective as an experienced corporate manager and his extensive activities in the business community, as well as extensive experience as an outside officer at various companies. Accordingly, we expect him to contribute to greater operational fairness, objectivity, and transparency with respect to supervising management of the Company based on his such experiences, so he has been elected as an Outside Director.
Apr. 1981 | Joined the Bank of Japan |
May 1990 | Seconded to the International Monetary Fund (Asian Department) |
Jun. 1997 | Deputy Chief, London Representative Office of the Bank of Japan |
Jun. 1999 | Director, Financial Markets Department of the Bank of Japan |
Jun. 2003 | General Manager, Naha Branch (Okinawa) of the Bank of Japan |
Sep. 2006 | Joined PwC |
Sep. 2008 | Partner of PwC (in charge of Business Revitalization, Financial, Family Businesses, Healthcare, and Hospitality Industries) |
Feb. 2012 | Chief Executive Officer, FEMO Co., Ltd. (present) |
Jun. 2018 | Member of Audit & Supervisory Board of the Company |
Jun. 2024 | Director of the Company (present) |
Number of years since appointment of as a Director : 1 year
Concurrent Positions
Chief Executive Officer of FEMO Co., Ltd.
Representative Director and President of Long Stay Network Co., Ltd.
Outside Director of Bank of Toyama
Outside Director of AEON Bank, Ltd.
Director of Japan Business School Education Development Organization
Auditor of Kibun Scholarship Foundation
Masaru Ono

Mr. Masaru Ono properly supervises management as an Outside Director, and as a member of the Audit Committee, he has been appropriately auditing the management of the Company. He is a lawyer with a wealth of knowledge of the corporate legal affairs and finance fields and has a high level of insight based on his extensive range of business activities in economic and educational circles. Accordingly, we expect him to contribute to greater operational fairness, objectivity, and transparency with respect to supervising management of the Company based on his such experiences, so he has been elected as an Outside Director.
Apr. 1978 | Registered Tokyo Bar Association |
Jun. 1983 | Certified New York State Bar |
Feb. 1984 | Joined Nishimura Sanada Law Firm (the present Nishimura & Asahi) |
Jul. 1985 | Partner at Nishimura & Asahi |
Jun. 2007 | Managing Director of Securitization Forum of Japan (present President)(present) |
Apr. 2009 | Visiting Professor of University of Tokyo (retired in March 2024) |
Jun. 2020 | Member of Audit & Supervisory Board of the Company |
Jan. 2021 | Of Counsel of Nishimura & Asahi (resigned in December 2023) |
Jan. 2024 | Representative Partner, Ono & Partner (present) Advisor of Nishimura & Asahi (present) |
Jun. 2024 | Director of the Company (present) |
Number of years since appointment of as a Director : 1 year
Concurrent Positions
Representative Partner of Ono & Partners
Advisor of Nishimura & Asahi
External Auditor of Prestige International Inc.
Independent Auditor of &Capital Inc. (Part-time)
President of Securitization Forum of Japan
Auditor of Advanced Internship Institute of Japan Association of Corporate Executives
Hisashi Maruyama

Mr. Hisashi Maruyama properly supervises management as an Outside Director, and since June 2024, as the chairperson of the Audit Committee, as the chairperson of the Audit Committee, he has been appropriately auditing the Company’s management as well as the appropriate and efficient operation of the Committee. He has broad experience and knowledge as a manager and in the field of legal, public relations and investor relations, finance, and CSR departments, leading corporate reform as CEO, in the major global manufacturing industry. Accordingly, we expect him to contribute to greater operational fairness, objectivity, and transparency with respect to supervising management of the Company based on his such experiences, so he has been elected as an Outside Director.
Apr. 1983 | Joined Hitachi Chemical Company, Ltd. (the present Resonac Corporation) |
Apr. 2003 | Head of President’s Office and General Manager in charge of Legal and IR of Hitachi Chemical Company, Ltd. (the present Resonac Corporation) |
Apr. 2011 | Executive Officer, Deputy General Manager of CSR Management Department and Head of Finance Center of Hitachi Chemical Company, Ltd. (the present Resonac Corporation) |
Apr. 2015 | Managing Executive Officer of Hitachi Chemical Company, Ltd. (the present Resonac Corporation) |
Apr. 2016 | Representative Executive Officer and President of Hitachi Chemical Company, Ltd. (the present Resonac Corporation) |
Jun. 2016 | Director, Representative Executive Officer and President of Hitachi Chemical Company, Ltd. (the present Resonac Corporation) |
Jan. 2022 | Director, Showa Denko K.K. (the present Resonac Holdings Corporation), Representative Director and Chairman, Showa Denko Materials Co., Ltd. (the present Resonac Corporation) |
Jan. 2023 | Director, Resonac Holdings Corporation (retired in March 2023) |
Jun. 2024 | Director of the Company (present) |
Number of years since appointment of as a Director : 1 year
Concurrent Positions
Outside Director, Member of the Audit & Supervisory Committee of Zensho Holdings Co., Ltd.
Christina Ahmadjian

As a university professor and researcher, Ms. Christina Ahmadjian has extensive knowledge of global corporate management and corporate governance, and she also has a wealth of experience and a proven track record as an outside director at several major Japanese companies from the perspective of ESG, sustainability and global issues. Accordingly, we expect her to contribute to greater operational fairness, objectivity, and transparency with respect to supervising management of the Company based on her such experiences, so she has been elected as an Outside Director.
Jan. 1995 | Associate Professor, Columbia Business School |
Oct. 2001 | Associate Professor, School of International Corporate Strategy, Hitotsubashi University |
Jan. 2004 | Professor, School of International Corporate Strategy, Hitotsubashi University |
Jun. 2009 | Outside Director, Eisai Co., Ltd. (retired in June 2013) |
Apr. 2010 | Professor, Head of School of International Corporate Strategy, Hitotsubashi University |
Apr. 2012 | Professor, School of Commerce and Management, Hitotsubashi University |
Jun. 2012 | Outside Director, Mitsubishi Heavy Industries, Ltd. (retired in June 2021) |
Jun. 2014 | Outside Director, Japan Exchange Group, Inc. (retired in June 2022) |
Apr. 2018 | Professor, School of Business Administration, Hitotsubashi University |
Jun. 2018 | Outside Director, Sumitomo Electric Industries, Ltd. (present) |
Mar. 2019 | Outside Director, Asahi Group Holdings, Ltd. (retired in March 2025) |
Jun. 2021 | Outside Director, NEC Corporation (present) |
Apr. 2022 | Professor Emeritus, Hitotsubashi University (present) |
Jun. 2022 | Outside Director, Niterra Co., Ltd. (present) |
Concurrent Positions
Outside Director of Sumitomo Electric Industries, Ltd.
Outside Director of NEC Corporation
Outside Director, Audit and Supervisory Committee Member of Niterra Co., Ltd.
Outside Director of Daiwa Securities Co. Ltd.
Outside Director of The University of Tokyo Edge Capital Partners Co., Ltd.
Executive Director of Hokkaido University (Part-time)
Average number of years since appointment as a board members: 3.66 years
*Included number of years since appointment as Audit & Supervisory Board Members at a company with Audit & Supervisory Board.