![Hye-Sook Seo](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>)
Hye-Sook Seo
Corporate Officer/Principal at
SJG SEJONG CO.,LTD
Net worth: 672 331 $ as of 2026-06-29
Profile
Hye-Sook Seo is currently the Chief Executive Officer at Sj One Corp., the Chairman-Executive Board at SEJONG INDUSTRIAL Co., Ltd., and the Chairman at Sejung Co., Ltd. She graduated from Yonsei University with a graduate degree and completed her undergraduate studies at Pusan National University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SJG SEJONG CO. LTD 0.62% | 2025-03-30 | 173,607 ( 0.62% ) | 672 331 $ | 2026-06-29 |
Hye-Sook Seo active positions
| Companies | Position | Start |
|---|---|---|
| SJG SEJONG CO.,LTD | Corporate Officer/Principal | - |
Sejung Co., Ltd.
 Sejung Co., Ltd. Auto Parts: OEMProducer Manufacturing Engages in manufacture of parts and accessories for motor vehicles | Chairman | 2011-08-10 |
Sj One Corp.
 Sj One Corp. TextilesProcess Industries Manufactures and retails artificial and synthetic fibres & filaments | Chief Executive Officer | - |
Training of Hye-Sook Seo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
3
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
SJG SEJONG Co., Ltd.
 SJG SEJONG Co., Ltd. Auto Parts: OEMProducer Manufacturing Manufactures automotive parts | Producer Manufacturing |
Yonsei University
 Yonsei University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Pusan National University
 Pusan National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sejung Co., Ltd.
Sejung Co., Ltd. Auto Parts: OEMProducer Manufacturing Engages in manufacture of parts and accessories for motor vehicles | Producer Manufacturing |
Sj One Corp.
Sj One Corp. TextilesProcess Industries Manufactures and retails artificial and synthetic fibres & filaments | Process Industries |
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