![Koji Yamamoto](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>)
Koji Yamamoto
Director/Board Member at
AS PARTNERS CO.,LTD.
Net worth: 2 M $ as of 31/08/2026
Profile
Koji Yamamoto has worked as a Director & Executive Officer at AS Partners Co. Ltd. since 2018.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
AS PARTNERS CO.,LTD. 4.25% | 30/09/2025 | 152,600 ( 4.25% ) | 2 M $ | 31/08/2026 |
Koji Yamamoto active positions
| Companies | Position | Start |
|---|---|---|
| AS PARTNERS CO.,LTD. | Director/Board Member | 01/09/2006 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
8
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
AS Partners Co. Ltd.
 AS Partners Co. Ltd. Hospital/Nursing ManagementHealth Services Operates nursing-care homes | Health Services |
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