![Junko 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>)
Junko Koyama
No open positions remaining
Net worth: 381 172 $ as of 2026-06-29
Profile
Mr. Junko Koyama is on the Board of Directors at PRAP Japan, Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
PRAP JAPAN, INC. 1.26% | 2026-02-27 | 59,000 ( 1.26% ) | 381 172 $ | 2026-06-29 |
Former positions of Junko Koyama
| Companies | Position | End |
|---|---|---|
| PRAP JAPAN, INC. | Director/Board Member | 2015-11-25 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
15
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
PRAP Japan, Inc.
 PRAP Japan, Inc. Miscellaneous Commercial ServicesCommercial Services Provides public relations services | Commercial Services |
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