Corporate Officers

Board of Directors
Audit & Supervisory Board
Executive Officers
Core Operating Companies

Board of Directors

Chairman & Director

Hideki Kobori

Biography
President & Representative Director

Koshiro Kudo

Biography
Director

Kazushi Kuse
Representative Director

Toshiyasu Horie

Biography
Director

Masatsugu Kawase
Outside Director

Tsuyoshi Okamoto
Outside Director

Yuko Maeda
Outside Director

Chieko Matsuda
Outside Director

Yoshinori Yamashita

Audit & Supervisory Board

Audit & Supervisory Board Member

Takuya Magara
Audit & Supervisory Board Member

Hiroki Ideguchi

Outside Audit & Supervisory Board Member

Akemi Mochizuki
Outside Audit & Supervisory Board Member

Haruyuki Urata
Outside Audit & Supervisory Board Member

Yoshikazu Ochiai

Hideki KoboriChairman & Director

Convener and Chair of Board of Directors Meetings

April 1978	Joined Asahi Kasei
April 2008	Director and Senior Executive Officer, Asahi Kasei EMD Corp. General Manager, Electronics Devices Marketing & Sales Center, Asahi Kasei EMD Corp.
April 2009	Director and Primary Executive Officer, Asahi Kasei Microdevices Corp.
April 2010	President & Representative Director, Presidential Executive Officer, Asahi Kasei Microdevices Corp.
April 2012	Senior Executive Officer, Asahi Kasei Corp.
June 2012	Director and Senior Executive Officer, Asahi Kasei Corp.
April 2014	Representative Director, Primary Executive Officer, Asahi Kasei Corp.
April 2016	President & Representative Director, Presidential Executive Officer, Asahi Kasei Corp.
April 2022	Chairman & Representative Director
April 2023	Chairman & Director

Koshiro KudoPresident & Representative Director, Presidential Executive Officer

Convener and Chair of General Meetings of Shareholders, Management Council Meetings

April 1982	Joined Asahi Kasei
May 2008	General Manager, Roica Division, Asahi Kasei Fibers Corp.
April 2013	Executive Officer, Asahi Kasei Fibers Corp. General Manager, Planning & Control Division, Asahi Kasei Fibers Corp.
April 2016	Lead Executive Officer, Asahi Kasei Corp. Senior General Manager, Planning & Coordination, Fibers & Textiles SBU, Asahi Kasei Corp.
April 2017	Lead Executive Officer, Asahi Kasei Corp. President, Fibers & Textiles SBU, Asahi Kasei Corp. Senior General Manager, Osaka Office, Asahi Kasei Corp.
April 2019	Senior Executive Officer, Asahi Kasei Corp. President, Performance Products SBU, Asahi Kasei Corp.
April 2021	Senior Executive Officer, Asahi Kasei Corp.
June 2021	Director and Senior Executive Officer, Asahi Kasei Corp.
April 2022	President & Representative Director, Presidential Executive Officer, Asahi Kasei Corp.

Toshiyasu HorieRepresentative Director, Primary Executive Officer

Executive Officer for Strategy, Accounting & Finance, IR, BT Project
Oversight: Internal Control
Oversight: IT
Oversight: Communications
Oversight: Sustainability Strategy Planning
Oversight: Asahi Kasei Europe GmbH
Oversight: Asahi Kasei America, Inc.
Oversight: Asahi Kasei (China) Co., Ltd.

April 1985	Joined Asahi Kasei
April 2008	General Manager, Acrylonitrile Global Marketing Dept., Intermediate Products Division 1, Asahi Kasei Chemicals Corp.
April 2015	General Manager, Corporate Planning & Coordination, Asahi Kasei Chemicals Corp.
April 2019	Executive Officer, Asahi Kasei Corp.
April 2020	Lead Executive Officer, Asahi Kasei Corp.
April 2022	Senior Executive Officer, Asahi Kasei Corp.
June 2022	Director, Senior Executive Officer, Asahi Kasei Corp.
April 2023	Representative Director, Senior Executive Officer, Asahi Kasei Corp.
April 2024	Representative Director, Primary Executive Officer, Asahi Kasei Corp.

Executive Officers

Corporate

Presidential Executive Officer	Koshiro Kudo
Vice-Presidential Executive Officer	Richard A. Packer	Executive Officer–Corporate Initiatives
Primary Executive Officer	Toshiyasu Horie	Executive Officer for Strategy, Accounting & Finance, IR, BT Project
Primary Executive Officer	Masatsugu Kawase	Executive Officer for Energy Policy, Green Transformation
Senior Executive Officer	Osamu Matsuzaki	Executive Officer for R&D, IP
	Satoshi Nishikawa	Executive Officer for HR
	Shinichiro Haga	Senior General Manager, Corporate Strategy
Lead Executive Officer	Hiromi Nakafutami	Executive Officer for QA, Health & Productivity Management
	Tatsuya Fukuda	Senior General Manager, Nobeoka Office
	Kazunori Nakajima	Executive Officer for Manufacturing, ESH, Regional Offices
	Toshihiko Takizawa	Executive Officer for Production Technology
	Nobuhiro Yamaguchi	Executive Officer for General Affairs, Legal, Corporate Communications, Risk Management & Compliance
Executive Officer	Motomichi Kishino	Senior General Manager, Corporate Accounting & Finance
	Akio Terada	Executive Officer for DX
	Tatsuhiko Tokunaga	Senior General Manager, Sustainability Strategy Planning Dept.
	Hiroaki Tomita	Senior General Manager, Fuji Office
	Hiroyuki Igarashi	General Representative for China Chairman, Asahi Kasei (China) Co. Ltd.
	Hiroshi Uchizumi	Senior General Manager, Human Resources
	Takao Yamaguchi	Senior General Manager, Mizushima Works, Production Center
	Tatsuya Yano	Senior General Manager, Kawasaki Works, Production Center Senior General Manager, Material Sector Production Center
	Tetsuro Ashidate	Executive Officer for Procurement & Logistics Director, Asahi Kasei Life Science Corp.

Material Sector

Primary Executive Officer	Hiroyoshi Matsuyama	President, Material Sector Director, Asahi Kasei Microdevices Corp.
Senior Executive Officer	Tatsuya Koike	Vice President, Material Sector
	Dirk R. Pieper	Executive Officer for Car Interior Market-Based Unit Chairman, Sage Automotive Interiors, Inc.
	Akira Nishizawa	Executive Officer for Comfort Life Market-Based Unit
	Nobuko Uetake	Executive Officer for Electronic Materials Market-Based Unit
Lead Executive Officer	Kazuya Noda	Senior General Manager, Material Business Research & Development
	Ryu Taniguchi	Executive Officer for Separator Market-Based Unit
	Naoki Koyama	Executive Officer for Essential Chemical Market-Based Unit
	Kenji Takeda	Executive Officer for Membrane Systems Market-Based Unit
	Naoyuki Kurita	Executive Officer for Electronic Devices Market-Based Unit President & Representative Director, Presidential Executive Officer, Asahi Kasei Microdevices Corp.
Executive Officer	Ippei Araya	President & Representative Director, PS Japan Corp.
	Takuya Takahashi	Deputy Oversight: Material Sector
	Kazuhito Takaki	Executive Officer for Performance Chemical Market-Based Unit
	Ken Suzuki	Senior General Manager, Chemistry & Chemical Process Laboratory, Material Business Research & Development
	Motoshi Nukita	Vice-President & Director, Asahi Kasei Battery Separator Corp.
	Dan Russian	CEO, Sage Automotive Interiors, Inc.

Homes Sector

Primary Executive Officer	Yuji Owaku	President, Homes Sector President & Representative Director, Presidential Executive Officer, Asahi Kasei Homes Corp. Director, Asahi Kasei Construction Materials Corp.
Lead Executive Officer	Eisaku Maeda	President & Representative Director, Presidential Executive Officer, Asahi Kasei Construction Materials Corp. Director, Asahi Kasei Homes Corp.
Executive Officer	Rich Gallagher	CEO, Synergos Companies LLC
Executive Officer	Andrew Helmers	CEO, NEX Building Group

Healthcare Sector

Primary Executive Officer	Ken Shinomiya	President, Healthcare Sector Chairman & Representative Director, Asahi Kasei Life Science Corp.
Senior Executive Officer	Yoshikazu Aoki	Leader of Global Pharmaceutical Business Chairman & Representative Director, Asahi Kasei Therapeutics Corp.
Lead Executive Officer	Eric Knudsen	CEO, ZOLL Medical Corp.
Executive Officer	Daisuke Okajima	President & Representative Director, Presidential Executive Officer, Asahi Kasei Therapeutics Corp.
	Yusuke Kanazawa	President & Representative Director, Presidential Executive Officer, Asahi Kasei Life Science Corp.
	Stacy Wheeler	CEO, Veloxis Pharmaceuticals, Inc.

(as of April 1, 2026)