Executives
| Chairman | Tsutomu Tannowa, Member of the Board / Mitsui Chemicals, Inc. |
|---|---|
| Vice Chairmen | Taketsune Matsumura, Vice President, CFO and CIO, Representative Director /Mitsui E&S Co., Ltd. Takashi Yamamoto, Director, Executive Vice President, / Mitsui Fudosan Co., Ltd. Yutaka Sata, Corporate Officer, Corporate Senior Vice President / Toshiba Corporation Tetsuya Tsunekawa, Executive Vice President and Representative Member of the Board/ Toray Industries, Inc. Keiichiro Nakamura, Senior Managing Executive Officer / Sumitomo Mitsui Banking Corporation Nobuaki Yamaguchi, Deputy Chairman / Sumitomo Mitsui Trust Bank, Ltd. Naoki Iguchi, Director, Senior Executive Officer / Mitsui Sumitomo Insurance Co., Ltd. Masaya Inamuro, Executive Managing Officer Chief Human Resources Officer Chief Compliance Officer / Mitsui & Co., Ltd. |
| Executive Committee Members | (see below) |
| Supervisors | Akishige Okada, Advisor / Sumitomo Mitsui Banking Corporation Hiromichi Iwasa, Executive Advisor / Mitsui Fudosan Co., Ltd. Masami Iijima, Counselor / Mitsui & Co., Ltd. |
| Secretary General | Hiroshi Matsuzaki / Mitsui Chemicals, Inc. |
Counselors
| Counselors | Keisuke Kitayama, Advisor / Sumitomo Mitsui Banking Corporation Toshiaki Egashira, Honorary Advisor / Mitsui Sumitomo Insurance Co., Ltd. |
|---|
Member Companies & Executive Committee Members
(alphabetical order)
| BIPROGY Inc. | Koji Katsuya, Representative Director Executive Corporate Officer CSO |
|---|---|
| Denka Co., Ltd. | Masanobu Kosaka, Director Managing Executive Officer |
| FUJIFILM Holdings Corporation | Masayuki Higuchi, Director, Corporate Vice President, Chief Financial Officer |
| Fujikura Ltd. | Noriyuki Kawanishi, Executive Officer, CTO |
| Ibiden Co., Ltd. | Keiji Yamada, Senior Executive Officer |
| IHI Corporation | Yoshikazu Hamada, Executive Fellow |
| Isetan Mitsukoshi Holdings Ltd. | Akira Kimbara, Managing Executive Officer Chief Administrative Officer・Chief Risk Officer |
| The Japan Steel Works, Ltd. | Kengo Takeya, Managing Executive Officer |
| Mitsui Chemicals, Inc. | Osamu Yoshida, Managing Executive Officer CFO |
| Mitsui & Co., Ltd. | Hidemi Takani, Managing Officer |
| Mitsui DM Sugar Co., Ltd. | Masahiko Mori, Director Executive Managing Officer CFO |
| Mitsui E&S Co., Ltd. | Yumi Omura, General Manager of Finance Management Sect. Finance Dept. |
| Mitsui Fudosan Co., Ltd. | Makoto Tokuda, Director, Executive Vice President |
| Mitsui Kinzoku Co., Ltd. | Masakazu Hanano, Executive Officer |
| Mitsui O.S.K. Lines, Ltd. | Hiromichi Takezaki, Senior Managing Executive Officer, CHRO |
| MITSUI-SOKO HOLDINGS Co.,Ltd. | Takeshi Gohara, Director, Managing Executive Officer |
| Mitsui Sumitomo Insurance Co., Ltd. | Satoshi Komiya, Executive Officer |
| NIPPN CORPORATION | Naoki Abe, Director Managing Executive Officer |
| Nippon Paper Industries Co., Ltd. | Koichiro Takahashi, Executive Officer |
| Oji Holdings Corporation | Kazuhiko Kamada, Director of the Board, Executive Vice President & CSO |
| Sanki Engineering Co., Ltd. | Junichi Hamasaka, Managing Executive Officer |
| Sumitomo Mitsui Banking Corporation | Takashi Kobayashi, Director Senior Managing Executive Officer |
| Sumitomo Mitsui Trust Bank, Ltd. | Morito Matsumura, Managing Executive Officer |
| Taiheiyo Cement Corporation | Hiroyuki Takano, Managing Executive Officer |
| TAIJU LIFE INSURANCE COMPANY LIMITED | Takeshi Fukuhara, Executive Officer |
| TBS HOLDINGS, INC. | Nami Inoue, Executive Officer |
| Toray Industries, Inc. | Kozo Takahashi, Corporate Vice President |
| Toshiba Corporation | Minoru Mukai, Assistant Director, Corporate Laboratory |
| Toyo Engineering Corporation | Noriyoshi Torigoe, Representative Director, Executive Vice President |
| Toyota Motor Corporation | Hiroyuki Ueda, Chief Officer, External & Public Affairs Group |
(April, 2026)