![Yasuhiro Kobayashi](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>)
Yasuhiro Kobayashi
Chief Administrative Officer at
CERES INC.
Net worth: 3 M $ as of 2026-06-29
Profile
Yasuhiro Kobayashi currently works at Ceres, Inc. (Japan), as Managing Director & General Manager-Administration from 2017, Hammock, Inc., as Independent Outside Director from 2022, and Diana, Inc., as Auditor from 2018.
Mr. Kobayashi received his undergraduate degree in 1994 from Waseda University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
CERES INC. 1.75% | 2025-12-30 | 212,900 ( 1.75% ) | 3 M $ | 2026-06-29 |
Yasuhiro Kobayashi active positions
| Companies | Position | Start |
|---|---|---|
| CERES INC. | Chief Administrative Officer | 2006-09-30 |
| HAMMOCK INC. | Director/Board Member | 2022-07-31 |
Diana, Inc. | Comptroller/Controller/Auditor | 2018-07-31 |
Training of Yasuhiro Kobayashi
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
53
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
Waseda University
 Waseda University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Hammock Corp.
 Hammock Corp. Packaged SoftwareTechnology Services Develops IT asset management and security systems and provides cloud services | Technology Services |
Ceres, Inc. (Japan)
 Ceres, Inc. (Japan) Advertising/Marketing ServicesCommercial Services Provides media and advertising services | Commercial Services |
Diana, Inc. |
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