(As of June 25, 2026)

Directors

Title

Name

Nominating Committee

Remuneration Committee

Representative Director

SEKIGUCHI Akira

Representative Director

FUKUDA Kensaku

Director

KATAGIRI Atsushi

Director

HOSONO Hiroyuki

Director

MATSUMOTO Kazuyuki

Director

YOSHIDA Hiroshi

Outside Director

SATO Kimio*

● Chair

● Chair

Outside Director

SHIBAYAMA Atsushi*

Outside Director

YAMAGUCHI Junko*

Outside Director

TAKEDA Ryoko*

Outside Director

TAJIMA Shuichi*

* Independent Officer

Audit & Supervisory Board Members

Title

Name

Corporate auditor (full-time)

KIMURA Ei

Corporate auditor (full-time)

TSUTSUMI Azusa

Certified Public Accountant

Corporate auditor (part-time)

OBA Koichiro

Attorney

Corporate auditor (part-time)

KOMURO Shingo

Executive officers

Title

Name

Commissioned as

Chairman and CEO*1

SEKIGUCHI Akira

President and COO*2

FUKUDA Kensaku

Managing executive officer

CHRO*3

KATAGIRI Atsushi

Responsible for Human Resources Dept. and General Affairs & Legal Dept.

Managing executive officer

CFO*4

HOSONO Hiroyuki

Responsible for Corporate Strategy Dept., Accounting Dept. and Finance Dept.

Executive officer

CTO*5

MATSUMOTO Kazuyuki

Responsible for Business Innovation Research Dept. and Intellectual Property Dept.

Executive officer

CRO*6

YOSHIDA Hiroshi

Responsible for Quality Assurance Dept. and Environment & Safety Dept.

Executive officer

YANAI Yasuharu

President and representative director,

DOWA ECO-SYSTEM CO., LTD.

Executive officer

SATOH Shigeki

President and representative director,

DOWA METALS & MINING CO., LTD.

Executive officer

SUZUKI Takehiko

President and representative director,

DOWA ELECTRONICS MATERIALS CO., LTD.

Executive officer

ONIOH Takashi

President and representative director,

DOWA METALTECH CO., LTD.

Executive officer

KAGAWA Koki

President and representative director,

DOWA THERMOTECH CO., LTD.

Executive officer

INOMATA Hirotoshi

President and representative director,

DOWA TECHNOLOGY CO., LTD.

Responsible for DX Promotion Dept.

Executive officer

SUGAWARA Yoshiaki

President and representative director,

DOWA MANAGEMENT SERVICES CO., LTD.

General manager of General Affairs & Legal Dept.

*1 CEO:Chief Executive Officer

*2 COO:Chief Operating Officer

*3 CHRO:Chief Human Resources Officer

*4 CFO:Chief Financial Officer

*5 CTO:Chief Technical Officer

*6 CRO:Chief Risk Officer