Board of Directors & Executive Officers

Directors

Chairman

Haruo Nagamatsu

Profile

Career

April 1981

Joined the Company

June 2000

Managing Director,Toyo Engineering & Construction Sdn.Bhd.

April 2013

Executive Officer; Deputy Unit Director, Infrastructure Business Unit; General Manager, Infrastructure Project Division and Infrastructure Business Unit

April 2016

Senior Executive Officer; Unit Director, Infrastructure Business Unit

June 2017

Director; Senior Executive Officer; Unit Director, Infrastructure Business Unit

April 2018

Representative Director; President & Chief Executive Officer

June 2023

Chairman (to present)

Message

Based on our mission of "Engineering for Sustainable Growth of the Global Community," we will pursue transparent management and implement our medium-term management plan to both realize an environmentally-friendly society and enrich people's lives.
Representative Director, President, Chief Executive Officer

Eiji Hosoi

Profile

Career

April 1982

Joined the Company

April 2010

Deputy General Manager, Overseas Project Operations Unit Proposal Division

January 2011

Deputy General Manager, Overseas Project Operations Unit Overseas Project Division 1

April 2012

Deputy General Manager, Project Division 2

April 2015

Executive Officer; President Director, PT. Inti Karya Persada Tehnik

April 2018

Senior Executive Officer; President Director, PT. Inti Karya Persada Tehnik

June 2018

Senior Executive Officer; Deputy Unit Director, Plant Business Unit; General Manager, Project Division

April 2019

Senior Executive Officer; Unit Director, Plant Business Unit; General Manager, Project Division

April 2020

Senior Executive Officer; Unit Director, Plant Business Unit

April 2023

Executive Vice President; Senior Executive Officer

June 2023

Representative Director; President & Chief Executive Officer (to present)
Representative Director, Executive Vice President, Chief Compliance Officer

Noriyoshi Torigoe

Profile

Career

April 1983

Joined the Export-Import Bank of Japan

August 2007

Director General, Corporate Finance Department, Japan Bank for International Cooperation

October 2008

Director General, Corporate Finance Department, Japan Bank for International Cooperation, Japan Finance Corporation

December 2010

Chief Internal Auditor, Internal Audit Department, Japan Finance Corporation

April 2012

Chief Internal Auditor, Internal Audit Department, Japan Bank for International Cooperation

June 2012

Executive Officer for the Americas, Japan Bank for International Cooperation

December 2013

Deputy Managing Director, Komatsu Economic and Strategy Research Center

February 2015

Advisor, MODEC, Inc.

January 2017

Senior Adviser, Japan Overseas Infrastructure Investment Corporation for Transport & Urban Development

June 2017

Executive Officer; Head of Project Department, Japan Overseas Infrastructure Investment Corporation for Transport & Urban Development

January 2018

Managing Executive Officer; Head of Project Department, Japan Overseas Infrastructure Investment Corporation for Transport & Urban Development

June 2020

Adviser of the Company

June 2020

Senior Executive Officer of the Company

August 2020

Director; Senior Executive Officer

April 2021

Director; Senior Executive Officer; Chief Compliance Officer; Division Director of Auditing Department and Safety, Quality & Environment Management Division

April 2023

Director; Executive Vice President; Chief Compliance Officer; Division Director of Auditing Department and Safety, Quality & Environment Management Division

April 2024

Representative Director; Executive Vice President; Chief Compliance Officer; Division Director of Auditing Department, Safety, Quality & Environment Management Division, Security Management Department, and Innovative Office Project Division

April 2025

Representative Director; Executive Vice President; Chief Compliance Officer; Division Director of Auditing Department, Safety, Quality & Environment Management Division, TOYO Future Architect Department (to present)

Message

Through our constant efforts to address Materiality, we will build a relationship of trust with our stakeholders, bring dynamism to TOYO, and contribute to realizing a sustainable society and improving TOYO's corporate value.
Director, Chief Strategy Officer

Yasutaka Suzuki

Profile

Career

April 1988

Joined MITSUI & CO., Ltd.

November 2009

Director, Mitsui & Co. Korea Ltd., General Manager, Project Division

April 2015

Divisional Operating Officer, Infrastructure Projects Business Division, Asia Pacific Business Unit, Mitsui & Co., Ltd. and Senior Vice President, Mitsui & Co.(Asia Pacific) Pte. Ltd.

January 2018

Representative Director and President, Portek International Pte Ltd

August 2019

Executive Officer of the Company; Responsible for Business Strategy

April 2020

Executive Officer; Division Director of Corporate Strategy Division, IT Management and Control Division, DXoT Planning & Promotion Center

April 2021

Senior Executive Officer; General Manager, Corporate Strategy Division; Division Director of Digital Integration Division, DXoT Planning & Promotion Center

April 2024

Senior Executive Officer; General Manager, Corporate Strategy Division; Division Director of Digital Integration Division, DXoT Planning & Promotion Center; Director, TS Participacoes e Investimentos S.A.

January 2025

Senior Executive Officer; General Manager, Corporate Strategy Division; Division Director of, Project Management Division, Digital Integration Division, DXoT Planning & Promotion Center; Director, TS Participacoes e Investimentos S.A.

April 2025

Senior Executive Officer; Chief Strategy Officer; Division Director of Project Management Division; Director, TS Participacoes e Investimentos S.A.

June 2025

Director; Senior Executive Officer; Chief Strategy Officer; Division Director of Project Management Division; Director, TS Participacoes e Investimentos S.A.

Message

With the aim of achieving sustainable growth and transformation, we will optimize our business portfolio, realize the benefits of DX strategic investments, and enhance corporate value from a long-term perspective.
Director, Chief Financial Officer

Yasuo Miyokawa

Profile

Career

April 1988

Joined the Company

April 2014

General Manager, Accounting Division, Finance & Accounting Unit

April 2018

General Manager, Finance & Accounting Unit

October 2020

General Manager, Finance & Accounting Unit; General Manager, Business Management Department

April 2021

Executive Officer; General Manager, Finance & Accounting Unit; General Manager, Business Management Department

April 2023

Senior Executive Officer; General Manager, Finance & Accounting Unit; General Manager, Business Management Department

April 2025

Senior Executive Officer; Chief Financial Officer; Division Director of Corporate Administration Division

June 2025

Director; Senior Executive Officer; Chief Financial Officer; Division Director of Corporate Administration Division

Message

We will contribute to enhancing our corporate value by establishing a foundation for proactively engaging in new technologies and new business fields, while also strengthening our system for preventing losses and steadily accumulating profits through thorough risk management.
Outside Director

Masami Tashiro

Profile

Career

April 1976

Joined Mitsui Bank, Ltd.

April 2001

General Manager, International Credit Dept., Sumitomo Mitsui Banking Corporation

December 2002

General Manager, Singapore Branch, Sumitomo Mitsui Banking Corporation

June 2003

Executive Officer; General Manager, Singapore Branch, Sumitomo Mitsui Banking Corporation

June 2006

Member of the Board, Taiyo Oil Company, Limited

July 2010

Vice President, SMBC International Business Co., Ltd.

June 2012

President and Representative Director, SMBC International Business Co., Ltd.

December 2013

Outside Auditor, ACKG Limited

June 2015

Outside Director of the Company (to present)

December 2016

Outside Director, ACKG Limited (current Oriental Consultants Holdings Company Limited) (to present)

Message

I will contribute to ensuring effective corporate governance by providing alternative perspectives from my outside director's point of view, and pursue flexible yet robust risk management required for an engineering company.
Outside Director

Reijiro Yamamoto

Profile

Career

April 1984

Joined Mitsui Bank (current Sumitomo Mitsui Banking Corporation)

January 2000

Participated in Unison Capital, Inc.

April 2004

A Founding Partner, GCA Corporation

October 2005

Representative Director, Mezzanine Corporation

January 2006

Representative Director & Partner, Integral Corporation (to present)

January 2009

Director, B.P.S. Corporation

December 2009

Director, Yohji Yamamoto Inc.

January 2012

Representative Director & Partner, Integral Partners Corporation (to present)

August 2013

Auditing Officer, Yohji Yamamoto Inc. (to present)

September 2013

Outside Director, TBI Holdings Co., Ltd.

October 2014

Director, Shinwa Co., Ltd.; Director, J-trading Inc.

February 2016

Outside Director, Itokin Co., Ltd. (to present)

January 2017

Outside Director, Aderans Company Limited (to present)

March 2019

Outside Director of the Company (to present)

October 2019

Outside Director, Sanden Retail Systems Corporation (to present)

June 2020

Outside Director, Mamezou Holdings Co., LTD. (current JSEE Holdings Corporation); Outside Director, K2TOP Holdings Corporation (current MamezouK2TOP Holdings Corporation) (to present)

November 2020

Director, OPENSTREAM HOLDINGS Co.

April 2021

Chairman & Director, Skymark Airlines Inc.; Director, MAMEZO DIGITAL HOLDINGS CO., LTD.

July 2023

Outside Director, TCS HOLDINGS CO.,LTD

Message

It is important to develop a bold strategy and be detail-oriented in its implementation. TOYO has leaders who can implement a strategy on the front lines. I will call for measures that allow TOYO's leaders to fully demonstrate their leadership and deliver excellent results as a team.
Outside Director

Tatsuya Terazawa

Profile

Career

April 1984

Entered the Ministry of International Trade and Industry

December 2008

Director, Economic and Industrial Policy Division, Economic and Industrial Policy Bureau, Ministry of Economy, Trade & Industry

August 2011

Director-General, Multilateral Trade System Department, Trade Policy Bureau, Ministry of Economy, Trade & Industry

September 2011

Executive Secretary to the Prime Minister

December 2012

Deputy Director-General, Economic & Industrial Policy Bureau, Ministry of Economy, Trade & Industry

June 2013

Councilor, Commerce Distribution & Industrial Safety Policy Group (Industrial Safety section), Ministry of Economy, Trade & Industry

July 2015

Director-General, Trade & Economic Cooperation Bureau, Ministry of Economy, Trade & Industry

July 2017

Director-General, Commerce & Information Policy Bureau, Ministry of Economy, Trade and Industry

July 2018

Vice-Minister for International Affairs, Ministry of Economy, Trade & Industry

July 2019

Advisor, Ministry of Economy, Trade & Industry

August 2020

Outside Director of the Company (to present)

January 2021

Special Advisor to the Cabinet Office

July 2021

Chairman and CEO, The Institute of Energy Economics, Japan (to present)

May 2025

Outside Director, Seven & i Holdings Co., Ltd. (to present)

Message

Amidst the major global developments toward carbon neutrality, we will aim to contribute to a low-carbon society by transforming TOYO's business portfolio. Alongside this goal, the Board of Directors will engage in extensive discussions to realize appropriate risk management and strengthen DX.
Outside Director

Sayoko Miyairi

Profile

Career

April 1979

Joined Hitachi, Ltd.

July 1982

Joined Bank of America, N.A., Asia Headquarters

March 1986

Joined Pasona Inc. and seconded and then transferred to Edu Consult Co., Ltd. (current Scholar Consult Co., Ltd.)

April 2000

Partner, Scholar Consult Co., Ltd. (to present); Assistant Professor, Nihonbashi Gakkan University (current Kaichi International University)

January 2005

Director, Scholar Consult Co., Ltd.

April 2008

Professor, Nihonbashi Gakkan University (current Kaichi International University)

March 2019

Outside Director, KH Neochem Co., Ltd. (to present)

August 2020

Outside Director, of the Company (to present)

April 2022

Professor emeritus, visiting professor, Kaichi International University (to present)

June 2022

Outside Director, NIHON SEIKAN K.K. (to present)

Message

My expertise is transformation of corporate and organizational culture. Drawing on my knowledge, I will contribute to fostering a corporate culture that tackles challenges, improving teamwork and raising employee motivation, and realizing management that drives further growth.

Audit & Supervisory Board Members

Audit & Supervisory Board Member

Toshihiko Nemura

Profile

Career

April 1981

Joined the Company

April 1988

Plant Business Unit Detailed Design Group

June 2004

Manager, Overseas Project Division 4

January 2009

Director, Atlatec Holdings, S.A. de C.V. (secondment)

January 2011

General Manager, Mechanical Engineering Division, Engineering Management Unit

April 2014

Deputy General Manager, Strategic Marketing Division Plant Sales and Marketing Unit

April 2016

General Manager, Safety, Quality and Environment Management Division General Manager, Auditing Department

June 2022

Audit & Supervisory Board Member of the Company (to present)

Message
Audit & Supervisory Board Member

Hiroshi Yoshida

Profile

Career

October 1988

Joined the Company

June 2019

General Manager, Finance Division

June 2024

Audit & Supervisory Board Member of the Company (to present)

Message

I will strive to conduct audits grounded in the field, capturing changes in the corporate environment towards the sustainable development of the TOYO Group. Furthermore, I will maintain an impartial and fair attitude and contribute to building an organization with integrity.
Outside Audit & Supervisory Board Member

Hideki Matsuo

Profile

Career

April 1982

Joined Mitsui Toatsu Chemicals, Inc. (current Mitsui Chemicals, Inc.)

March 2000

Director, Plant Manager, MITSUI BISPHENOL SINGAPORE PTE LTD

May 2003

Director, Plant Manager, (cum) MITSUI PHENOL SINGAPORE PTE LTD

April 2006

President, SHANGHAI SINOPEC MITSUI CHEMICALS, CO., LTD

June 2009

Senior Director, Mitsui Chemicals, Inc. General Manager Planning & Coordination and License Division, Basic Chemicals Business Sector

April 2010

Senior Director General Manager, Planning & Coordination Division, Petrochemicals Business Sector

June 2011

Deputy General Manager, Production & Technology Center

April 2013

Executive Officer General Manager, Production & Technology Center

April 2014

Senior Executive Officer General Manager, Production & Technology Center

June 2016

Director/Senior Executive Officer General Manager, Production & Technology Center

April 2017

Director/Senior Executive Officer General Manager, Production & Technology Center

April 2018

Representative Director; Senior Executive Officer (CTO)

April 2020

Representative Director; Executive Vice President (CTO)

April 2022

Director; Senior Consultant

June 2022

Senior Consultant; Audit & Supervisory Board Member of the Company (to present); Chairman, Japan Industrial Safety Competency Center (to present)

February 2023

Morimatsu Technology & Service Co., Ltd. (current Pharmadule T&S Co.,Ltd.) Adviser

June 2023

Outside Director, RYODEN CORPORATION

December 2023

Morimatsu Technology & Service Co., Ltd. (Newly established split company) Adviser (to present)

June 2024

Outside Director, ALCONIX CORPORATION

Message
Outside Audit & Supervisory Board Member

Takako Miyoshi

Profile

Career

October 2001

Registered as Attorney at Law (Dai-Ichi Tokyo Bar Association)

April 2003

Member of Consumer Affairs Committee, Dai-ichi Tokyo Bar Association

June 2008

Member of the Intellectual Property Law Research Committee of the General Legal Research Institute, Dai-ichi Tokyo Bar Association (to present)

July 2010

Member of Environmental Protection Committee, Dai-ichi Tokyo Bar Association (to present)

January 2011

Partner, Okamura Sogo Law Office (to present)

April 2017

Member of the Special Committee on Civil Litigation Issues, Dai-ichi Tokyo Bar Association (to present); Member of the Advisory Council on the Management of Civil Litigation, Tokyo District Court and Tokyo Sankai

June 2023

Outside Audit & Supervisory Board Member of the Company (to present)

June 2024

Outside Directors (Audit & Supervisory Committee Members), Business Engineering Corporation