Board of Directors & Executive Officers

Directors

Chairman

Haruo Nagamatsu

Profile

Career

1981/4

Joined Toyo Engineering Corporation

2000/6

Managing Director, Toyo Engineering & Construction Sdn. Bhd.

2013/4

Executive Officer/ Deputy Unit Director of Infrastructure Business Unit/General Manager of Infrastructure Project Div., Infrastructure Business Unit

2016/4

Senior Executive Officer/Unit Director of Infrastructure Business Unit

2017/6

Director / Senior Executive Officer/Unit Director of Infrastructure Business Unit

2018/4

President& Chief Executive Officer

2023/6

Chairman (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

1982/4

Joined Toyo Engineering Corporation

2010/4

Deputy General Manager, Overseas Project Operations Unit Proposal Division

2011/1

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

2012/4

Deputy General Manager, Project Division 2

2015/4

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

2018/6

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

2019/4

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

2020/4

Senior Executive Officer;Unit Director, Plant Business Unit

2023/4

Executive Vice President

2023/6

Representative Director, President/Chief Executive Officer(Present)
Representative Director, Executive Vice President, Chief Compliance Officer

Noriyoshi Torigoe

Profile

Career

[THE EXPORT-IMPORT BANK OF JAPAN]

1983/4

International Finance Departments (Americas, ASEAN), Planning Departments (Treasury, Strategy), Representative in New York

[JAPAN BANK FOR INTERNATIONAL COOPERATION (JBIC)]

2007/8

Director General, Corporate Finance Department

2008/10

Japan Finance Corporation Japan Bank for International Corporate Finance Manager

2010/12

Chief Internal Auditor

2012/6

Executive Officer for the Americas

[KOMATSU ECONOMIC AND STRATEGY RESERCH CENTER]

2013/12

Deputy Managing Director

[MODEC Inc. ]

2015/2

Advisor

[JAPAN OVERSEAS INFRASTRUCTURE INVESTMENT CORPORATION FOR TRANSPORT & URBAN DEVELOPMENT (JOIN) ]

2017/1

Senior Advisor

2017/6

Executive Officer, Head of Project Department

2018/1

Managing Executive Officer, Head of Project Department

[TOYO ENGINEERING CORPORATION]

2020/6

Advisor

2020/8

Senior Executive Officer

2021/4

Senior Executive Officer/Chief Compliance Officer

2023/4

Executive Vice President, Chief Compliance Officer(Present)

2024/4

Representative Director, Executive Vice President, Chief Compliance Officer(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

Masayuki Yoshizawa

Profile

Career

1982/4

Joined Mitsui & Co., Ltd.

2006/8

President & CEO　Mitsui Gas e Energia do Brasil Ltda.

2011/6

Executive Officer, Deputy General Manager,Corporate Planning Unit Toyo Engineering Corporation

2014/4

Senior Deputy General Manager, Mitsui & Co., Ltd. Osaka Office

2015/4

Senior Executive Officer of Toyo Engineering Corporation

2015/6

Director/Senior Executive Officer

2016/4

Representative Director, Senior Executive Officer

2019/4

Representative Director, Executive Vice President

2024/4

Executive Vice President

2025/4

Director(Present)

Message

We will achieve TOYO’s Materiality, “People of diverse backgrounds engage in active, meaningful work” and “Establish an organization with integrity and discipline,” to earn the trust of our stakeholders and realize our corporate slogan, “Your Success, Our Pride.”
Director

Kensuke Waki

Profile

Career

1983/4

Joined Toyo Engineering Corporation

2007/6

General Manager of Accounting Department, Finance and Accounting Division

2014/4

General Manager of Finance and Accounting Division

2016/4

Executive Officer/General Manager of Finance and Accounting Division

2017/4

Executive Officer/Chief Financial Officer/General Manager of Finance and Accounting Division

2018/4

Senior Executive Officer/Chief Financial Officer

2023/4

Director/Senior Executive Officer, Chief Finance Officer

2025/4

Director(present)

Message

We will create an environment that supports the pioneering of new technologies and businesses. At the same time, we must thoroughly manage risk and maximize long-term profits while optimizing short-term profits. To this end, I will make every effort so that sound and appropriate decisions are made from a financial perspective.
Outside Director

Masami Tashiro

Profile

Career

1976/4

Joined Mitsui Bank (currently Sumitomo Mitsui Banking Corporation)

2001/4

General Manager, International Banking Unit, Credit Department Sumitomo Mitsui Banking Corporation

2002/12

General Manager, Singapore Branch Sumitomo Mitsui Banking Corporation

2003/6

Executive Officer Sumitomo Mitsui Banking Corporation

2006/6

Director Taiyo Oil Co., Ltd

2012/6

President SMBC International Business Co., Ltd

2013/12

Auditor ACKG Ltd. (Present : Oriental Consultants Holdings)

2015/6

Outside Director, Toyo Engineering Corporation(Present)

2016/12

Outside Director, Oriental Consultants Holdings(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

1984/4

Joined Mitsui Bank (current Sumitomo Mitsui Banking Corporation)

2000/1

Participated in Unison Capital, Inc.

2004/4

A Founding Partner, GCA Corporation

2005/10

Representative Director, Mezzanine Corporation

2006/1

Representative Director & Partner, Integral Corporation (Present)

2009/1

Director, B.P.S. Corporation

2009/12

Director, Yohji Yamamoto Inc.

2012/1

Representative Director & Partner, Integral Partners Corporation(Present)

2013/8

Auditing Officer, Yohji Yamamoto Inc.

2013/10

Outside Director, TBI Holdings Co., Ltd.

2014/10

Director, Shinwa Co., Ltd.

2014/10

Director, J-trading Inc.

2016/2

Outside Director, Itokin Co., Ltd. (Present)

2017/1

Outside Director, Aderans Company Limited(Present)

2019/3

Outside Director, Toyo Engineering Corporation(Present)

2019/10

Outside Director, Sanden Retail Systems Corporation(Present)

2020/6

Director, K2TOP Holdings Corporation (current Mamezou K2TOP Holdings Corporation) (Present)

2020/6

Director, Mamezou Holdings Co., Ltd. (current Mamezo Digital Holdings Co., Ltd.)

2021/4

Chairman & Director, Skymark Airlines Inc. (Present)

2023/7

Outside Director, TCS Holdings Co., Ltd. (Present)

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

1984/4

Entered the Ministry of International Trade and Industry

2011/9

Executive Secretary to the Prime Minister

2012/12

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

2013/6

Councilor, Commerce Distribution and Industrial Safety Policy Group (Industrial Safety Section), Ministry of Economy, Trade and Industry

2015/7

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

2017/7

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

2018/7

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

2019/7

Advisor, Ministry of Economy, Trade and Industry

2020/8

Outside Director, Toyo Engineering Corporation(Present)

2021/1

Special Advisor to the Cabinet Office

2021/7

Chairman and CEO, The Institute of Energy Economics, Japan(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

1979/4

Joined Hitachi, Ltd.

1982/7

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

1986/3

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

2000/4

Partner of Scholar Consult Co.,ltd.(Present)

2000/4

Assistant Professor of Nihonbashi Gakkan University (current Kaichi International University)

2005/4

Partner of Scholar Consult Co.,ltd.(Present)

2008/4

Professor, Nishonbashi Gakkan University (current Kaichi International University)(Present)

2020/8

Outside Director, Toyo Engineering Corporation(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

1981/4

Joined Toyo Engineering Corporation

1988/4

Plant Business Unit Detailed Design Group

2004/6

Manager, Overseas Project Division 4

2011/1

General Manager, Mechanical Engineering Division, Engineering Management Unit

2014/4

Deputy General Manager, Strategic Marketing Division Plant Salesand Marketing Unit

2016/4

General Manager, Safety, Quality and Environment Management Division General Manager, Auditing Department (Present)

2022/6

Audit & Supervisory Board Member(Present)

Message
Audit & Supervisory Board Member

Hiroshi Yoshida

Profile

Career

1988/10

Joined Toyo Engineering Corporation

2019/6

General Manager of Finance Department,Finance and Accounting Division

2024/6

Audit & Supervisory Board Member(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

1982/4

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

2000/3

Director, Plant Manager, MITSUI BISPHENOL SINGAPOREPTE LTD

2003/5

Director, Plant Manager, (cum) MITSUI PHENOL SINGAPOREPTE LTD

2006/4

President, SHANGHAI SINOPEC MITSUI CHEMICALS, CO.,LTD

2009/6

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

2010/4

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

2011/6

Deputy General Manager, Production & Technology Center

2013/4

Executive Officer General Manager, Production & Technology Center

2014/4

Senior Executive Officer General Manager, Production & Technology Center

2016/6

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

2017/4

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

2018/4

Representative Director; Senior Executive Officer (CTO)

2020/4

Representative Director; Executive Vice President (CTO)

2022/4

Outside Audit & Supervisory Board Member, Toyo Engineering Corporation(Present)

Message
Outside Audit & Supervisory Board Member

Takako Miyoshi

Profile

Career

2001/10

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

2003/4

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

2008/6

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

2010/7

Member of Environmental Protection Committee, Dai-ichi Tokyo Bar Association (Present)
2011/1

Partner, Okamura Sogo Law Office (Present)
2017/4

Member of the Special Committee on Civil Litigation Issues, Daiichi Tokyo Bar Association (Present)

Member of the Advisory Council on the Management of Civil Litigation, Tokyo District Court and Tokyo Sankai (Present)

2023/6

Outside Audit & Supervisory Board Member, Toyo Engineering Corporation(Present)