![Kyoo-Ok Choi](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: 186 M $ as of 2026-07-30
Kyoo-Ok Choi is currently the Director at Apsun Dental Hospital and the Director at Korea Venture Industry Association.
Previously, he served as the Chief Executive Officer & Director at OSSTEM IMPLANT Co., Ltd. He has an undergraduate degree from Seoul National University, a doctorate degree from Korea University, and a graduate degree from Dankook University.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
JUSUNG ENGINEERING Co., Ltd.
 JUSUNG ENGINEERING Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and sells semiconductor & display equipment 3.93% | 2024-12-16 | 1,826,329 ( 3.93% ) | 159 M $ | 2026-07-30 |
SEOJIN SYSTEM Co., Ltd.
 SEOJIN SYSTEM Co., Ltd. Computer CommunicationsElectronic Technology Manufactures and sells telecommunication equipment 1.65% | 2026-04-20 | 1,050,788 ( 1.65% ) | 24 M $ | 2026-07-30 |
Hans Biomed Corp.
 Hans Biomed Corp. Medical/Nursing ServicesHealth Services Provides human tissue transplant materials 0.97% | 2026-03-12 | 138,895 ( 0.97% ) | 2 M $ | 2026-07-30 |
| Companies | Position | Start |
|---|---|---|
Apsun Dental Hospital | Director/Board Member | 2010-12-27 |
Korea Venture Industry Association | Director/Board Member | 2010-08-25 |
| Companies | Position | End |
|---|---|---|
| OSSTEM IMPLANT CO., LTD. | Chief Executive Officer | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 6 |
|---|---|
Seoul National University
 Seoul National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Korea University
 Korea University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
OSSTEM IMPLANT Co., Ltd.
 OSSTEM IMPLANT Co., Ltd. Medical SpecialtiesHealth Technology Provides dental implants | Health Technology |
Dankook University
 Dankook University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Apsun Dental Hospital | |
Korea Venture Industry Association |
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