Osamu Koyama
Director/Board Member at ASAHI DIAMOND INDUSTRIAL CO., LTD.
Profile
Osamu Koyama is an Independent Outside Director at Asahi Diamond Industrial Co., Ltd., a Managing Director at Keimei Gakuen, and an Auditor at International University of Japan.
He previously held positions as a Director & Senior Executive Officer at T&D Holdings, Inc. and Daido Life Insurance Co., as well as President & Representative Director at Mitsui & Co. Global Strategic Studies Institute and Executive Managing Officer at Mitsui & Co., Ltd.
Osamu Koyama active positions
| Companies | Position | Start |
|---|---|---|
| ASAHI DIAMOND INDUSTRIAL CO., LTD. | Director/Board Member | 2014-05-31 |
| Keimei Gakuen | Director/Board Member | 2012-12-31 |
| International University of Japan | Comptroller/Controller/Auditor | 2017-03-31 |
Former positions of Osamu Koyama
| Companies | Position | End |
|---|---|---|
Mitsui & Co. Global Strategic Studies Institute
 Mitsui & Co. Global Strategic Studies Institute Miscellaneous Commercial ServicesCommercial Services Mitsui & Co. Global Strategic Studies Institute operates as an in-house research institute of Mitsui & Co. Ltd. It provides surveys and research in the fields of politics, economics, industry, society, technology, and innovation. The company was founded in October 1999 and is headquartered in Tokyo, Japan. | President | - |
Daido Life Insurance Co.
 Daido Life Insurance Co. Life/Health InsuranceFinance Daido Life Insurance Co. Ltd. provides enterprise life insurance services. These include life and non life insurance, pension management, and securities investments. The company was founded on July 14, 1947 and is headquartered in Osaka, Japan. | Director/Board Member | - |
| MITSUI & CO., LTD. | Corporate Officer/Principal | - |
| T&D HOLDINGS INC. | Director/Board Member | - |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 3 |
|---|---|
| MITSUI & CO., LTD. | Process Industries |
| T&D HOLDINGS INC. | Finance |
| ASAHI DIAMOND INDUSTRIAL CO., LTD. | Producer Manufacturing |
| Private companies | 3 |
|---|---|
Daido Life Insurance Co.
Daido Life Insurance Co. Life/Health InsuranceFinance Daido Life Insurance Co. Ltd. provides enterprise life insurance services. These include life and non life insurance, pension management, and securities investments. The company was founded on July 14, 1947 and is headquartered in Osaka, Japan. | Finance |
| Keimei Gakuen | |
Mitsui & Co. Global Strategic Studies Institute
Mitsui & Co. Global Strategic Studies Institute Miscellaneous Commercial ServicesCommercial Services Mitsui & Co. Global Strategic Studies Institute operates as an in-house research institute of Mitsui & Co. Ltd. It provides surveys and research in the fields of politics, economics, industry, society, technology, and innovation. The company was founded in October 1999 and is headquartered in Tokyo, Japan. | Commercial Services |
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