![Woo-Seok Yoon](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>)
Woo-Seok Yoon
Chairman at
JINSUNG T.E.C., INC.
Net worth: 28 M $ as of 30/09/2026
Profile
Woo-Seok Yoon is currently the Chairman at JINSUNG T.E.C.
Co., Ltd. Mr. Yoon completed undergraduate studies at Seoul National University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
JINSUNG T.E.C. CO., LTD. 14.98% | 30/06/2026 | 3,301,500 ( 14.98% ) | 28 M $ | 30/09/2026 |
Hanwha Engine Co., Ltd.
 Hanwha Engine Co., Ltd. Trucks/Construction/Farm MachineryProducer Manufacturing Manufactures diesel engines for large vessels 0% | 01/10/2026 | 170 ( 0% ) | 6 154 $ | 30/09/2026 |
Woo-Seok Yoon active positions
| Companies | Position | Start |
|---|---|---|
| JINSUNG T.E.C., INC. | Chairman | - |
Education of Woo-Seok Yoon
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
10
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
JINSUNG T.E.C. Co., Ltd.
 JINSUNG T.E.C. Co., Ltd. Industrial MachineryProducer Manufacturing Provides industrial rollers | Producer Manufacturing |
Seoul National University
 Seoul National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
- Stock Market
- Insiders
- Woo-Seok Yoon
