Directors & Senior Management

As of June 29, 2023

Board of Directors

Chairman of the Board

  • Masakazu Tokura

Masakazu Tokura

Career Summary

Birth Date: July 10, 1950

1974 Joined Sumitomo Chemical Co., Ltd.
2003 Executive Officer
2006 Managing Executive Officer
2008 Representative Director & Managing Executive Officer
2009 Representative Director & Senior Managing Executive Officer
2011 Representative Director & President 
2019 Chairman of the Board (current)

Important Concurrent Post
2021 Chairman, KEIDANREN (Japan Business Federation)

Representative Director & President

  • Keiichi Iwata

Keiichi Iwata

Career Summary

Birth Date: October 11, 1957

1982 Joined Sumitomo Chemical Co., Ltd.
2010 Executive Officer
2013 Managing Executive Officer
2018 Senior Managing Executive Officer
2018 Representative Director & Senior Managing Executive Officer
2019 Representative Director & President (current)

Representative Director

  • Masaki Matsui

Masaki Matsui

IT-related Chemicals Sector

Career Summary

Birth Date: August 3, 1960

1985 Joined Sumitomo Chemical Co., Ltd.
2013 Executive Officer
2017 Managing Executive Officer
2019 Representative Director & Managing Executive Officer
2021 Representative Director & Senior Managing Executive Officer (current)

Representative Director

  • Nobuaki Mito

Nobuaki Mito

Health & Crop Sciences Sector

Career Summary

Birth Date: August 4, 1960

1985 Joined Sumitomo Chemical Co., Ltd.
2014 Associate Officer
2015 Executive Officer
2018 Managing Executive Officer
2020 Representative Director & Managing Executive Officer
2021 Representative Director & Senior Managing Executive Officer (current)

Important Concurrent Post
2020 Chairman, Valent U.S.A. LLC
2020 Chairman, Valent BioSciences LLC

Representative Director

  • Motoyuki Sakai

Motoyuki Sakai

Energy & Functional Materials Sector

Career Summary

Birth Date: August 14, 1961

1985 Joined Sumitomo Chemical Co., Ltd.
2014 Executive Officer
2018 Managing Executive Officer
2023 Senior Managing Executive Officer
2023 Representative Director & Senior Managing Executive Officer (current)

Representative Director

  • Seiji Takeuchi

Seiji Takeuchi

Essential Chemicals & Plastics Sector, Business Development for a Circular System for Plastics

Career Summary

Birth Date: March 29, 1962

1986 Joined Sumitomo Chemical Co., Ltd.
2015 Associate Officer
2016 Executive Officer
2020 Managing Executive Officer
2023 Senior Managing Executive Officer
2023 Representative Director & Senior Managing Executive Officer (current)

Important Concurrent Post
2018 Director, Rabigh Refining and Petrochemical Company

Director

  • Hiroshi Ueda

Hiroshi Ueda

Research Planning and Coordination, Digital and Data Science Innovation, Process & Production Technology & Safety Planning, Production & Safety Fundamental Technology Center, Engineering, Intellectual Property, Responsible Care, Industrial Technology & Research Laboratory, Environmental Health Science Laboratory, Advanced Materials Development Laboratory, Bioscience Research Laboratory

Career Summary

Birth Date: August 5, 1956

1982 Joined Sumitomo Chemical Co., Ltd.
2008 Associate Officer
2009 Executive Officer
2011 Managing Executive Officer
2016 Senior Managing Executive Officer
2016 Representative Director & Senior Managing Executive Officer
2018 Director & Senior Managing Executive Officer
2019 Director & Executive Vice President (current)

Director

  • Hiroshi Niinuma

Hiroshi Niinuma

General Affairs, External Relations, Legal, Human Resources, Osaka Office Administration

Career Summary

Birth Date: March 5, 1958

1981 Joined Sumitomo Chemical Co., Ltd.
2010 Executive Officer
2013 Managing Executive Officer
2018 Senior Managing Executive Officer
2018 Director & Senior Managing Executive Officer 
2022 Director & Executive Vice President (current)

Outside Director

  • Hiroshi Tomono

Hiroshi Tomono

Career Summary

Birth Date: July 13, 1945

1971 Joined Sumitomo Metal Industries, Ltd. (Currently NIPPON STEEL CORPORATION)
1998 Director, Sumitomo Metal Industries, Ltd.
1999 Managing Executive Officer, Sumitomo Metal Industries, Ltd.
2003 Senior Managing Executive Officer, Sumitomo Metal Industries, Ltd.
2003 Director & Senior Managing Executive Officer, Sumitomo Metal Industries, Ltd.
2005 Representative Director & Vice President, Sumitomo Metal Industries, Ltd.
2005 Representative Director & President, Sumitomo Metal Industries, Ltd.
2012 Representative Director & President & COO, Nippon Steel & Sumitomo Metal Corporation (Currently NIPPON STEEL CORPORATION)
2014 Representative Director & Vice Chairman, Nippon Steel & Sumitomo Metal Corporation
2015 Director & Advisor, Nippon Steel & Sumitomo Metal Corporation
2015 Advisor, Nippon Steel & Sumitomo Metal Corporation
2015 Outside Director, Sumitomo Chemical Co., Ltd. (current)
2016 Outside Director, Japan Nuclear Fuel Limited (current)
2020 Senior Advisor, NIPPON STEEL CORPORATION (current)
2020 Outside Director, The Kansai Electric Power Co., Inc. (current)

Outside Director

  • Motoshige Itoh

Motoshige Itoh

Career Summary

Birth Date: December 19, 1951

1993 Professor, Faculty of Economics, The University of Tokyo
1996 Professor, Graduate School of Economics, The University of Tokyo
2007 Dean, Graduate School of Economics, Faculty of Economics, The University of Tokyo
2015 Outside Director, East Japan Railway Company (current)
2016 Professor, Faculty of International Social Sciences, Gakushuin University 
2018 Outside Director, Sumitomo Chemical Co., Ltd. (current)
2022 Outside Director, JX Nippon Mining & Metals Corporation (current)
2022 Outside Director, Hagoromo Foods Corporation (current)
2022 Outside Director, Shizuoka Financial Group, Inc. (current)

Outside Director

  • Atsuko Muraki

Atsuko Muraki

Career Summary

Birth Date: December 28, 1955

1978 Joined Ministry of Labour (Currently Ministry of Health Labour and Welfare)
2005 Counsellor for Policy Evaluation, Minister’s Secretariat, Ministry of Health Labour and Welfare
2006 Deputy Director-General, Equal Employment, Children and Families Bureau, Ministry of Health Labour and Welfare
2008 Director-General, Equal Employment, Children and Families Bureau, Ministry of Health Labour and Welfare
2010 Director-General for Policies on Cohesive Society, Cabinet Office
2012 Director-General, Social Welfare and War Victims’ Relief Bureau, Ministry of Health Labour and Welfare
2013 Vice Minister of Health Labour and Welfare, Ministry of Health Labour and Welfare
2015 Retired from Ministry of Health Labour and Welfare
2018 Outside Director, Sumitomo Chemical Co., Ltd. (current)

Outside Director

  • Akira Ichikawa

Akira Ichikawa

Career Summary

Birth Date: November 12, 1954

1978 Joined Sumitomo Forestry Co., Ltd.
2007 Executive Officer & General Manager, Corporate Planning Department, Sumitomo Forestry Co., Ltd.
2008 Director & Managing Executive Officer, Sumitomo Forestry Co., Ltd.
2010 Representative Director & President, Sumitomo Forestry Co., Ltd.
2020 Representative Director, Chairman of the Board, Sumitomo Forestry Co., Ltd. (current)
2021 Outside Director, Konica Minolta, Inc. (current)
2022 Outside Director, Sumitomo Chemical Co., Ltd. (current)

Audit & Supervisory Board Members

Standing Audit & Supervisory Board Member

  • Kunio Nozaki

Kunio Nozaki

Career Summary

Birth Date: October 29, 1956

1979 Joined Sumitomo Chemical Co., Ltd.
2007 Executive Officer
2009 Managing Executive Officer
2014 Senior Managing Executive Officer
2014 Representative Director & Senior Managing Executive Officer
2018 Director & Senior Managing Executive Officer
2019 Director
2019 Standing Audit & Supervisory Board Member (current)

Standing Audit & Supervisory Board Member

  • Hironobu Nishi

Hironobu Nishi

Career Summary

Birth Date: August 3, 1965

1988 Joined Sumitomo Chemical Co., Ltd.
2011 General Manager, CSR Office 
2012 Seconded to Sumitomo Chemical (China) Co., Ltd.
2018 General Manager, Animal Nutrition Div.
2023 Standing Audit & Supervisory Board Member (current)

Audit & Supervisory Board Member 

  • Mitsuhiro Aso

Mitsuhiro Aso

Career Summary

Birth Date: June 26, 1949

1975 Prosecutor
2010 Superintending Prosecutor, the Fukuoka High Public Prosecutors Office
2012 Retirement as Prosecutor
2012 Registered as Attorneys (current)
2013 Audit & Supervisory Board Member, Sumitomo Chemical Co., Ltd. (current)
2019 Outside Director, Sumitomo Mitsui Trust Holdings, Inc. (current)

Audit & Supervisory Board Member 

  • Yoshitaka Kato

Yoshitaka Kato

Career Summary

Birth Date: September 17, 1951

1974 Joined Tetsuzo Ota & Co. (Currently Ernst & Young ShinNihon LLC)
1978 Registered as a certified public accountant (current)
1998 Representative Patner, Showa Ota & Co. (Currently Ernst & Young ShinNihon LLC)
2006 Mnaging Executive Patner, Ernst & Young ShinNihon (Currently Ernst & Young ShinNihon LLC)
2008 CEO, Ernst & Young ShinNihon LLC (Currently Ernst & Young ShinNihon LLC)
2014 Retired from Ernst & Young ShinNihon LLC
2015 Audit & Supervisory Board Member, Sumitomo Chemical Co., Ltd. (current)
2016 Outside Audit & Supervisory Board Member, Sumitomo Corporation (current)

Audit & Supervisory Board Member 

  • Michio Yoneda

Michio Yoneda

Career Summary

Birth Date: June 14, 1949

1973 Joined Bank of Japan
1998 General Manager, Sapporo Branch of Bank of Japan
2000 Retired from Bank of Japan
2000 Executive Director, Osaka Securities Exchange (Currently Japan Exchange Group, Inc.)
2001 Executive Director, Osaka Securities Exchange Co., Ltd.
2002 Senior Executive Director, Osaka Securities Exchange Co., Ltd.
2003 President & CEO, Osaka Securities Exchange Co., Ltd.
2013 Director & Representative Executive Officer, Group COO, Japan Exchange Group, Inc. Director, Tokyo Stock Exchange, Inc.
2015 Resigned as Director & Representative Executive Officer, Group COO, Japan Exchange Group, Inc. Resigned as Director, Tokyo Stock Exchange, Inc.
2018 Outside Director, Asahi Broadcasting Group Holdings Corporation (current)
2018 Audit & Supervisory Board Member, Sumitomo Chemical Co., Ltd. (current)
2020 Outside Director, Toyo Tire Corporation (current)

Executive Officers

President

Keiichi Iwata

Executive Vice President

Hiroshi Ueda Research Planning and Coordination, Digital and Data Science Innovation, Process & Production Technology & Safety Planning, Production & Safety Fundamental Technology Center, Engineering, Intellectual Property, Responsible Care, Industrial Technology & Research Laboratory, Environmental Health Science Laboratory, Advanced Materials Development Laboratory, Bioscience Research Laboratory
Hiroshi Niinuma General Affairs, External Relations, Legal, Human Resources, Osaka Office Administration

Senior Managing Executive Officer

Noriaki Takeshita

Corporate Planning, IT Innovation

Masaki Matsui

IT-related Chemicals Sector

Nobuaki Mito

Health & Crop Sciences Sector

Motoyuki Sakai

Energy & Functional Materials Sector

Seiji Takeuchi

Essential Chemicals & Plastics Sector, Business Development for a Circular System for Plastics

Managing Executive Officer

Naoyuki Inoue

Procurement, Logistics 

Keigo Sasaki

Corporate Communications, Accounting, Finance

Kenji Ohno

Sustainability, Internal Control and Audit, Legal Dept.

Yoshizumi Sasaki

Business Development Office for a Circular System for Plastics, Resin-related Business Development Dept., Polyolefins Div., Automotive Materials Div., MMA Div.

Ichiro Kosaka

Specialty Chemicals Div., Advanced Polymers Div., Battery Materials Div.

Takanari Yamaguchi

Research Planning and Coordination Dept., Digital and Date Science Innovation Dept., Intellectual Property Dept., Industrial Technology & Research Laboratory, Environmental  Health  Science  Laboratory, Advanced Materials Development Laboratory, Bioscience Research Laboratory

Hirokazu Murata

Ehime Works

Koichi Ogino

Chiba Works

Juan Ferreira

Work related to South American businesses of the Health & Crop Sciences Sector and Valent U.S.A.

Shinsuke Shojima

AgroSolutions Div. – International, Environmental  Health  Div., Animal Nutrition Div.

Inho Rha

Dongwoo Fine-Chem Co., Ltd

Akira Nakanishi

Planning & Coordination Office, IT-related Chemicals Sector, Electronic Materials Div.

Masao Shimizu

Human Resources Dept., Osaka Office Administration Dept.

Hiroaki Fujimoto

AgroSolutions Div. – Japan

Executive Officer

Kanako Fukuda Sumitomo Chemical Europe S.A./N.V.
Hiroyoshi Mukai

Planning & Coordination Office, Energy & Functional Materials Sector, Quality Assurance Office, Energy & Functional Materials Sector

Takanori Ito

Process & Production Technology & Safety Planning Dept., Production & Safety Fundamental Technology Center, Responsible Care Dept.

Yoshihiro Ino

IT Innovation Dept.

Tetsuo Takahashi

Planning & Coordination Office, Essential Chemicals & Plastics Sector, Basic Materials Div., Industrial Chemicals Div.

Tomoyuki Hirayama

General Affairs Dept., External Relations Dept.

Satoshi Honda

Planning & Coordination Office, IT-related Chemicals Sector, Quality Assurance Office, IT-related Chemicals Sector

Takeo Kitayama Corporate Planning Office
Noriaki Oku Rabigh Refining and Petrochemical Company
Junpei Tsuji Research Planning and Coordination Dept.
Toshihiro Yamauchi Accounting Dept.
Kyoko Odawara Environmental Health Science Laboratory
Shinichi Takemura Optical Materials Div.
Tadashi Katayama Planning & Coordination Office, Health & Crop Sciences Sector, AgroSolutions Div. – International
Sawa Matsubara Sustainability Dept., Finance Dept.