Board Directors

Board Directors

Masahiro Koezuka Representative Director, Chairman & President

Masahiro Koezuka

Representative Director,
Chairman, President
April 1974
Joined the Ministry of International Trade and Industry (currently the Ministry of Economy, Trade and Industry)
June 2010
Director, Senior Managing Executive Officer of Fujitsu Limited
May 2013
Director, Senior Executive Vice Chairman
September 2014
Representative Director of Socionext Inc. (Preparation Company)
February 2015
Director
April 2016
Representative Director and Chairman of Fujitsu Research Institute
April 2018
Representative Director, Chairman and CEO of Socionext Inc.
March 2022
Representative Director, Chairman, President and CEO of Socionext Inc.(Current Position)
Hisato Yoshida Board Director

Hisato Yoshida

Board Director
April 1988
Joined Matsushita Electric Industrial Co., Ltd. (currently Panasonic Holdings Corporation)
April 2010
Group Manager of Fourth Development Group, First Business Division, System LSI Division of Panasonic Corporation (currently Panasonic Holdings Corporation)
March 2015
Director, Development Department IV of IoT System Business Unit, Business Group I of Socionext Inc.
April 2019
General Manager, System Development Division, Automotive & Industrial Business Group of Socionext Inc.
January 2021
Vice Head of Global Development Group and SNDP Promotion Group of Socionext Inc.
April 2022
Corporate Executive Vice President and Head of Global Development Group of Socionext Inc.
June 2023
Director and Corporate Executive Vice President and Head of Global Development Group of Socionext Inc.
April 2024
Director and Deputy President in charge of Development Group of Socionext Inc.
April 2025
Director,COO, Global Leading Group (GLG) Co-Lead and Development Group Lead of Socionext Inc.(Current Position)
Yutaka Yoneyama Board Director

Yutaka Yoneyama

Board Director
April 1985
Joined Matsushita Electric Industrial Co., Ltd. (currently Panasonic Holdings Corporation)
April 2013
Accounting Group Manager of System LSI Division of Panasonic Corporation(currently Panasonic Holdings Corporation)
March 2015
Deputy General Manager, Corporate Finance Division of Socionext Inc.
July 2018
General Manager, Corporate Finance Division of Socionext Inc.
July 2020
General Manager, Corporate Finance Division and Corporate Affairs & HR of Socionext Inc.
March 2022
Director Senior Vice President of Corporate Finance Division and Corporate Affairs & HR, and Intellectual Property & Legal of Socionext Inc.
April 2022
Director and Corporate Executive Vice President in charge of Finance and Business Administration of Socionext Inc.
April 2024
Director and Deputy President in charge of Finance & Business Administration and CFO of Socionext Inc.
October 2024
Director and Deputy President in charge of Business Administration and CFO of Socionext Inc.
April 2025
Director,EVP,CFO of Socionext Inc. (Current Position)
Koichi Otsuki Board Director

Koichi Otsuki

Board Director
April 1988
Joined Fujitsu Limited
July 2013
Manager of High Performance Solution Department of Advanced Product Business Headquarter of Fujitsu Semiconductor Limited (currently Fujitsu Limited)
March 2015
Vice President of Custom SoC Business Unit, Business Group II of Socionext Inc.
October 2016
Corporate Senior Vice President of Socionext Inc.
October 2018
Corporate Senior Executive Vice President, Project leader for Custom Business Promotion Project of Socionext Inc.
April 2019
Corporate Senior Executive Vice President, Head of Sales Group of Socionext Inc.
June 2019
Representative Director, Corporate Senior Executive Vice President, Head of Sales Group of Socionext Inc.
March 2022
Director, Corporate Senior Executive Vice President, Head of Sales Group of Socionext Inc.
April 2022
Director and Deputy President in charge of Sales & Business Development as well as Strategic Sourcing & Production Management of Socionext Inc.
April 2025
Director of Socionext Inc.(Current Position)
Noriaki Kubo Board Director

Noriaki Kubo

Board Director
April 1986
Joined Matsushita Electric Industrial Co., Ltd. (currently Panasonic Holdings Corporation)
October 2012
Head of Hardware Technology Headquarters, LSI Division of Panasonic Corporation (currently Panasonic Holdings Corporation)
March 2015
Vice President, IoT Systems Business Unit, Business Group I of Socionext Inc.
October 2016
Corporate Senior Vice President of Socionext Inc.
June 2018
Corporate Senior Executive Vice President of Visual Solutions Business Unit of Socionext Inc.
April 2019
Director, Corporate Senior Executive Vice President, Head of Automotive & Industrial Business Group of Socionext Inc.
April 2021
Director, Corporate Senior Executive Vice President in charge of Business Group of Socionext Inc.
April 2022
Director and Deputy President in charge of Business and Development of Socionext Inc.
April 2024
Director and Deputy President in charge of Business Group of Socionext Inc.
April 2025
Director of Socionext Inc.(Current Position)
Masatoshi Suzuki Board Director

Masatoshi Suzuki

Board Director
April 1975
Joined Nippon Telegraph and Telephone Public Corporation (currently Nippon Telegraph and Telephone Corporation)
June 2008
Senior Executive Vice President, NTT DoCoMo, Inc. (currently NTT DOCOMO, INC.)
June 2012
Senior Executive Vice President, MIRAIT Holdings Corporation (currently MIRAIT ONE Corporation)
October 2012
Representative Director, President
June 2020
Director and Advisor
June 2021
Outside Director of Socionext Inc.(Current Position)
March 2022
Chairman of Nomination and Remuneration Committee of Socionext Inc.(Current Position)
June 2022
Lead Independent Outside Director of Socionext Inc.(Current Position)
Sachiko Kasano Board Director (Audit & Supervisory Committee Member)

Sachiko Kasano

Board Director
October 2001
Qualified as an attorney and joined Miyakezaka Sogo Law Office
January 2016
Attorney-at-law of Kasumimon Sogo Law Offices (currently SHIOMIZAKA), Attorney (Current Position)
June 2021
Outside Audit & Supervisory Board Member of Socionext Inc.
March 2022
Outside Director (Audit & Supervisory Committee Member) of Socionext Inc.
June 2023
Outside Director of Socionext Inc.(Current Position)
Yasuyoshi Ichikawa Board Director (Audit & Supervisory Committee Member)

Yasuyoshi Ichikawa

Board Director
(Audit & Supervisory Committee Member)
October 1985
Joined Tohmatsu Awoki & Co. (currently Deloitte Touche Tohmatsu LLC)
August 2018
Executive officer of Deloitte Touche Tohmatsu LLC (in charge of Quality Control)
December 2020
Established Yasuyoshi Ichikawa Certified Public Accountant Office, Certified Public Accountant (Current Position)
March 2022
Outside Director (Audit & Supervisory Committee Member) of Socionext Inc. (Current Position)
June 2023
Chairman of the Audit & Supervisory Committee of Socionext Inc. (Current Position)
Morimasa Ikemoto Board Director (Audit & Supervisory Committee Member)

Morimasa Ikemoto

Board Director
(Audit & Supervisory
Committee Member)
April 1979
Joined Fujitsu Limited
June 2012
General Manager, Corporate Internal Audit Division
June 2014
Full-time Corporate Auditor, FUJITSU COMPONENT LIMITED(currently FCL COMPONENTS LIMITED)
June 2016
Director (Audit & Supervisory Committee Member) , FUJITSU COMPONENT LIMITED
June 2018
Outside Director of Socionext Inc.
July 2022
Advisor of Socionext Inc.
June 2023
Outside Director (Audit & Supervisory Committee Member) of Socionext Inc. (Current Position)
Noriko Yoneda Board Director (Audit & Supervisory Committee Member)

Noriko Yoneda

Board Director
(Audit & Supervisory
Committee Member)
October 2001
Qualified as an attorney and joined Tatsuno, Ozaki & Fujii Law Office
October 2014
Joined TMI Associates
July 2020
Established Kobe Grace Law Office, Representative Attorney (Current Position)
June 2023
Outside Director (Audit & Supervisory Committee Member) of Socionext Inc. (Current Position)