![Osamu Koyama](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Osamu Koyama
Direktor/Vorstandsmitglied bei
Keimei Gakuen
Profil
Osamu Koyama is currently Managing Director at Keimei Gakuen since 2013 and Auditor at International University of Japan since 2017.
Former positions include Director & Senior Executive Officer at T&D Holdings, Inc., Director & Senior Executive Officer at Daido Life Insurance Co., President & Representative Director at Mitsui & Co. Global Strategic Studies Institute, Independent Outside Director at Asahi Diamond Industrial Co., Ltd. from 2014 to 2026, and Executive Managing Officer at Mitsui & Co., Ltd.
Aktive Positionen von Osamu Koyama
| Unternehmen | Position | Beginn |
|---|---|---|
Keimei Gakuen | Direktor/Vorstandsmitglied | 01.01.2013 |
International University of Japan
 International University of Japan Other Consumer ServicesConsumer Services Functions as a College/University | Comptroller/Controller/Auditor | 01.04.2017 |
Ehemalige bekannte Positionen von Osamu Koyama
| Unternehmen | Position | Ende |
|---|---|---|
| ASAHI DIAMOND INDUSTRIAL CO., LTD. | Direktor/Vorstandsmitglied | 26.06.2026 |
Mitsui & Co. Global Strategic Studies Institute
 Mitsui & Co. Global Strategic Studies Institute Miscellaneous Commercial ServicesCommercial Services Operates research institute | Präsident | - |
Daido Life Insurance Co.
 Daido Life Insurance Co. Life/Health InsuranceFinance Provides enterprise life insurance services | Direktor/Vorstandsmitglied | - |
| MITSUI & CO., LTD. | Corporate Officer/Principal | - |
| T&D HOLDINGS, INC. | Direktor/Vorstandsmitglied | - |
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
8
Beziehungen ersten Grades
7
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 7 |
|---|---|
Mitsui & Co., Ltd.
 Mitsui & Co., Ltd. Chemicals: Major DiversifiedProcess Industries Manufactures chemicals and engages in the sale, import, export of industrial materials, raw iron, nonferrous metal, chemical, energy and food | Process Industries |
T&D Holdings, Inc.
 T&D Holdings, Inc. Life/Health InsuranceFinance Provides life insurance services | Finance |
Daido Life Insurance Co.
Daido Life Insurance Co. Life/Health InsuranceFinance Provides enterprise life insurance services | Finance |
Asahi Diamond Industrial Co., Ltd.
 Asahi Diamond Industrial Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and distributes diamond tools | Producer Manufacturing |
International University of Japan
International University of Japan Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Keimei Gakuen | |
Mitsui & Co. Global Strategic Studies Institute
Mitsui & Co. Global Strategic Studies Institute Miscellaneous Commercial ServicesCommercial Services Operates research institute | Commercial Services |
