![Chang-Geun 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>)
Chang-Geun Choi
Corporate Officer/Principal at
KOREA ZINC COMPANY, LTD.
Net worth: 279 M $ as of 2026-02-27
Profile
Chang-Geun Choi founded Sorin Corp. Presently, Dr. Choi is Chairman of Korea Zinc Co., Ltd. and Chief Executive Officer at Xmetech Corp. Dr. Choi is also on the board of Sorin Corp. He received an undergraduate degree from Seoul National University, a graduate degree from Columbia University and an undergraduate degree from Colorado School of Mines.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
KOREA ZINC CO., LTD. 0.83% | 2026-03-02 | 172,412 ( 0.83% ) | 243 M $ | 2026-02-27 |
Young Poong Corp.
 Young Poong Corp. Electronic ComponentsElectronic Technology Manufactures printed circuit boards 3.31% | 2024-10-23 | 597,627 ( 3.31% ) | 27 M $ | 2026-02-27 |
Young Poong Precision Corp.
 Young Poong Precision Corp. Industrial MachineryProducer Manufacturing Supplies process pumps, valves and other chemical-related products 5.4% | 2025-10-12 | 850,000 ( 5.4% ) | 8 M $ | 2026-02-27 |
Chang-Geun Choi active positions
| Companies | Position | Start |
|---|---|---|
| KOREA ZINC COMPANY, LTD. | Corporate Officer/Principal | - |
Former positions of Chang-Geun Choi
| Companies | Position | End |
|---|---|---|
Xmetech Corp.
 Xmetech Corp. Engineering & ConstructionIndustrial Services Provides architectural design and related services | Chief Executive Officer | - |
KZ Trading Corp.
 KZ Trading Corp. Wholesale DistributorsDistribution Services Wholesales general merchandises | Founder | - |
Training of Chang-Geun Choi
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
17
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Korea Zinc Co., Ltd.
 Korea Zinc Co., Ltd. Other Metals/MineralsNon-Energy Minerals Manufactures and sells non-ferrous metal products | Non-Energy Minerals |
Colorado School of Mines
 Colorado School of Mines Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Seoul National University
 Seoul National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
KZ Trading Corp.
KZ Trading Corp. Wholesale DistributorsDistribution Services Wholesales general merchandises | Distribution Services |
Xmetech Corp.
Xmetech Corp. Engineering & ConstructionIndustrial Services Provides architectural design and related services | Industrial Services |
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- Chang-Geun Choi
