![Heung-Seun 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>)
Net worth: - $ as of 2026-06-29
Heung-Seun Ryu formerly worked at Hana Materials Inc., as Managing Director & Head-Technology.
Dr. Ryu received his doctorate degree from Korea University of Technology & Education.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
HANA MATERIALS INC. -.--% | 2026-06-22 | 0 ( -.--% ) | - $ | 2026-06-29 |
| Companies | Position | End |
|---|---|---|
| HANA MATERIALS INC. | Chief Tech/Sci/R&D Officer | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
Hana Materials Inc.
 Hana Materials Inc. SemiconductorsElectronic Technology Manufactures silicon ring and cathode for semiconductor products | Electronic Technology |
Korea University of Technology & Education
 Korea University of Technology & Education Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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