![Joo-Seok Lee](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>)
Joo-Seok Lee
Chief Executive Officer at
RINGNET CO., LTD.
Net worth: 4 M $ as of 31/05/2026
Profile
Joo-Seok Lee currently works at RingNet Co., Ltd., as Vice Chairman & Chief Executive Officer from 2000.
Mr. Lee received his undergraduate degree from Seoul National University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
RINGNET CO., LTD 6.54% | 15/04/2026 | 1,458,910 ( 6.54% ) | 4 M $ | 31/05/2026 |
Joo-Seok Lee active positions
| Companies | Position | Start |
|---|---|---|
| RINGNET CO., LTD. | Chief Executive Officer | 29/06/2010 |
Training of Joo-Seok Lee
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
RingNet Co., Ltd.
 RingNet Co., Ltd. Engineering & ConstructionIndustrial Services Engages in network construction and maintenance business | Industrial Services |
Seoul National University
 Seoul National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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- Joo-Seok Lee
