![Hong-Sik Jang](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>)
Hong-Sik Jang
Chief Executive Officer at
WONIK CORPORATION
Net worth: 52 663 $ as of 2026-09-29
Profile
Hong-Sik Jang currently works at Wonik Corp., as Chief Executive Officer & Director from 2020 and ManTech Co., Ltd. (Seoul), as Director.
Mr. Jang also formerly worked at Winix Co., Ltd., as Chief Executive Officer from 2011 to 2019.
Mr. Jang received his undergraduate degree from Dankook University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
WONIK CORPORATION 0.04% | 2025-09-29 | 8,000 ( 0.04% ) | 52 663 $ | 2026-09-29 |
Hong-Sik Jang active positions
| Companies | Position | Start |
|---|---|---|
| WONIK CORPORATION | Chief Executive Officer | 2020-01-27 |
ManTech Co., Ltd. (Seoul)
 ManTech Co., Ltd. (Seoul) Packaged SoftwareTechnology Services Provides software development services | Director/Board Member | - |
Former positions of Hong-Sik Jang
| Companies | Position | End |
|---|---|---|
Winix Co., Ltd.
 Winix Co., Ltd. Electronic Production EquipmentElectronic Technology Manufactures hybrid IC, filter, GPS and other communucation parts | Chief Executive Officer | 2019-12-10 |
Education of Hong-Sik Jang
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
6
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
Wonik Corp.
 Wonik Corp. Electronics DistributorsDistribution Services Provides trade of various industrial products and provides services related to distribution of medical equipment | Distribution Services |
Dankook University
 Dankook University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
ManTech Co., Ltd. (Seoul)
ManTech Co., Ltd. (Seoul) Packaged SoftwareTechnology Services Provides software development services | Technology Services |
Winix Co., Ltd.
Winix Co., Ltd. Electronic Production EquipmentElectronic Technology Manufactures hybrid IC, filter, GPS and other communucation parts | Electronic Technology |
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