![Sang-Gil Ryu](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>)
Sang-Gil Ryu
Director/Board Member at
PHILOPTICS CO., LTD.
Net worth: 1 M $ as of 2026-08-30
Profile
Sang-Gil Ryu currently works at Philoptics Co., Ltd., as Director & Senior Managing Director from 2023.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
PHILOPTICS CO., LTD. 0.23% | 2026-08-23 | 52,791 ( 0.23% ) | 1 M $ | 2026-08-30 |
Sang-Gil Ryu active positions
| Companies | Position | Start |
|---|---|---|
| PHILOPTICS CO., LTD. | Director/Board Member | 2023-03-28 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
9
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
Philoptics Co., Ltd.
 Philoptics Co., Ltd. Industrial MachineryProducer Manufacturing Develops semiconductor machinery | Producer Manufacturing |
- Stock Market
- Insiders
- Sang-Gil Ryu
