![Yuji 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>)
Yuji Koyama
Director/Board Member at
CORE CORPORATION
Net worth: 510 185 $ as of 2026-08-30
Profile
Mr. Yuji Koyama is on the Board of Directors at Core Corp.
Mr. Koyama also served on the board at Lambda Systems, Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
CORE CORPORATION 0.25% | 2026-03-30 | 37,000 ( 0.25% ) | 510 185 $ | 2026-08-30 |
Yuji Koyama active positions
| Companies | Position | Start |
|---|---|---|
| CORE CORPORATION | Director/Board Member | 2015-05-31 |
Former positions of Yuji Koyama
| Companies | Position | End |
|---|---|---|
Lambda Systems, Inc.
 Lambda Systems, Inc. Telecommunications EquipmentElectronic Technology Manufactures, develops and markets broadcasting and communication equipment and software | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
23
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
Core Corp.
 Core Corp. Information Technology ServicesTechnology Services Provides IT and system integration services | Technology Services |
Lambda Systems, Inc.
Lambda Systems, Inc. Telecommunications EquipmentElectronic Technology Manufactures, develops and markets broadcasting and communication equipment and software | Electronic Technology |
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