Profile
Tsuyoshi Okamoto is on the board of Mitsubishi Estate Co., Ltd., Asahi Kasei Corp. and Japan Post Holdings Co. Ltd. Mr. Okamoto previously held the position of Director at Tokyo Gas Co., Ltd.
Tsuyoshi Okamoto active positions
| Companies | Position | Start |
|---|---|---|
| ASAHI KASEI CORPORATION | Director/Board Member | 2018-05-31 |
| MITSUBISHI ESTATE CO., LTD. | Director/Board Member | 2019-05-31 |
Former positions of Tsuyoshi Okamoto
| Companies | Position | End |
|---|---|---|
| JAPAN POST HOLDINGS CO., LTD. | Director/Board Member | 2025-06-24 |
| TOKYO GAS CO.,LTD. | President | 2014-03-31 |
| JAPAN POST BANK CO., LTD. | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Mitsubishi Estate Co., Ltd.
Mitsubishi Estate Co., Ltd. Real Estate DevelopmentFinance Develops, rents, operates and manages commercial & logistics facilities, hotels, airports and centering on office buildings | Finance |
Tokyo Gas Co., Ltd.
Tokyo Gas Co., Ltd. Gas DistributorsUtilities Provides gas and power distribution, engineering, construction, real estate & data processing services | Utilities |
Asahi Kasei Corp.
Asahi Kasei Corp. Chemicals: SpecialtyProcess Industries Manufactures synthetic, polystyrene and chemical resins, lithium-ion battery separators, drugs & medical equipment and constructs homes & provides plant engineering and temporary staffing solutions | Process Industries |
Japan Post Holdings Co., Ltd.
Japan Post Holdings Co., Ltd. Life/Health InsuranceFinance Provides postal, banking, and insurance services | Finance |
Japan Post Bank Co., Ltd.
Japan Post Bank Co., Ltd. Regional BanksFinance Offers banking services | Finance |
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