Directors, Audit & Supervisory Board Members and Executive Officers

Board of Directors

As of June 19, 2026
Chairman of the Board and Director Keita Kato


President and Representative Director Ikusuke Shimizu Chief Executive Officer
Representative Director Tatsuya Nishida


Director Kazuya Murakami Managing Executive Officer, Head of Human Resources Department
Outside Director Hiroshi Oeda Special Advisor of Nisshin Seifun Group Inc.
Outside Director Haruko Nozaki


Outside Director Miharu Koezuka Former Senior Managing Director (Representative Director) of Takashimaya Company, Limited
Outside Director Machiko Miyai Former Director, Managing Executive Officer of MORINAGA & CO., LTD.
Outside Director Yoshihiko Hatanaka Former Representative Director, Chairman of the Board of Astellas Pharma Inc.

Audit & Supervisory Board Members

As of June 19, 2026
Full-time Audit & Supervisory Board Member Tomoyasu Izugami


Full-time Audit & Supervisory Board Member Michio Sakai


Outside Audit & Supervisory Board Member Yoshikazu Minomo Attorney at Law
Outside Audit & Supervisory Board Member Wakyu Shinmen Certified Public Accountant
Outside Audit & Supervisory Board Member Kenji Tanaka Specially Appointed Professor and Vice Chair, Center for Social Infrastructure and Governmental Relations, University of Electro-Communications

Executive Officers

As of Oct. 1, 2026
Chief Executive Officer Ikusuke Shimizu


Housing Company

Senior Managing Executive Officer Masahide Yoshida President of Housing Company, President of SEKISUI HEIM CO., LTD.
Managing Executive Officer Kenji Yagi Responsible for Town Development and Real Estate Management Division, President of NOBLE HOME CO., LTD.
Executive Officer Kenichi Tadokoro Head of Technology & CS Division
Executive Officer Ken Miyashita President of SEKISUI HEIM KYUSHU CO., LTD.
Executive Officer Jun Oda Responsible for Sales Management Division, President of TOKYO SEKISUI HEIM CO., LTD.
Executive Officer Kiminori Sato President of SEKISUI HEIM INDUSTRY CO., LTD.
Executive Officer Akira Ikeda Head of Management Strategy Division
Executive Officer Masanori Yoshioka Head of External Relations & Purchasing Division

Urban Infrastructure & Environmental Products Company

Senior Managing Executive Officer Yoshiyuki Hirai President of Urban Infrastructure & Environmental Products Company
Executive Officer Takeo Kishitani Responsible for Pipe Systems field
Executive Officer Hiroki Okubo Head of Management Planning Department
Executive Officer Toru Kurita Head of Technology & CS Promotion Department
Executive Officer Masataka Uemura Head of Pipeline Renewal Division
Executive Officer Katsumi Take Head of General Institute
Executive Officer Shigeo Toyama Head of Fire Protection Materials Division
Executive Officer Akira Imagawa President of SEKISUI AQUA SYSTEMS CO., LTD.

High Performance Plastics Company

Senior Managing Executive Officer Akira Asano President of High Performance Plastics Company
Executive Officer Takashi Muramatsu President of SEKISUI MATERIAL SOLUTIONS CO., LTD., Responsible for Social Infrastructure field, Head of Social Infrastructure Business Strategy Department
Executive Officer Yoshiaki Tanaka Responsible for Electronics field, Head of Electronics Business Strategy Department
Executive Officer Yoshio Aoshima Responsible for Mobility field, Head of Mobility Business Strategy Department
Executive Officer Motoko Hirai Head of Human Resources Development Department
Executive Officer Chikao Shimizu President of SEKISUI POLYMATECH CO., LTD.
Executive Officer Ryosuke Kusaka Head of Foam Division
Executive Officer Hiroshi Suganami Head of Corporate Planning Department and Administrative Management & Control Department

Headquarters

Senior Managing Executive Officer Tatsuya Nishida Responsible for ESG Management Department, Finance Department, Accounting Department and New Business Development Department, Head of Business Strategy Department
Managing Executive Officer Kazuya Murakami Head of Human Resources Department
Executive Officer Yoshiki Deguchi Responsible for Digital Transformation Department, Head of Manufacturing Infrastructure Enhancement Center
Executive Officer Hiroyuki Yamashita Responsible for Life Science Business Development Department, President of SEKISUI MEDICAL CO., LTD.
Executive Officer Naoko Fukutomi Head of Legal Department
Executive Officer Yoshitaka Miyake Head of PV Project, Director of SEKISUI SOLAR FILM CO., LTD.
Executive Officer Hisahiko Kashihara Head of R & D Innovation Center
Executive Officer Naoya Nishimoto Head of Corporate Communication Department