![Jin-Seok 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>)
Jin-Seok Seo
Chief Executive Officer at
CELLTRION, INC.
Net worth: 416 521 $ as of 2026-05-30
Profile
Jin-Seok Seo is Co-Chief Executive Officer & Director at Celltrion, Inc. since 2021.
Dr. Seo is Co-Chairman at Celltrion Pharm Inc. since 2024.
Dr. Seo is Director at Celltrion Holdings Co., Ltd. since 2021.
Dr. Seo was Director at Celltrion Healthcare Holdings Co., Ltd. from 2020 to 2021.
Dr. Seo earned a doctorate from Korea Advanced Institute of Science & Technology.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-03 | 3,254 ( 0% ) | 416 521 $ | 2026-05-30 |
Jin-Seok Seo active positions
| Companies | Position | Start |
|---|---|---|
| CELLTRION, INC. | Chief Executive Officer | 2021-03-25 |
| CELLTRION PHARM, INC. | Chairman | 2024-03-25 |
Celltrion Holdings Co., Ltd.
 Celltrion Holdings Co., Ltd. Movies/EntertainmentConsumer Services Operates as a holding company whose subsidiaries produces broadcast programs and provides system integration services | Director/Board Member | 2021-02-28 |
Former positions of Jin-Seok Seo
| Companies | Position | End |
|---|---|---|
Celltrion Healthcare Holdings Co., Ltd.
 Celltrion Healthcare Holdings Co., Ltd. Financial ConglomeratesFinance Operates as an investment holding company | Director/Board Member | - |
Training of Jin-Seok Seo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
8
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Celltrion Pharm Inc.
 Celltrion Pharm Inc. Pharmaceuticals: MajorHealth Technology Manufactures and distributes pharmaceutical products | Health Technology |
Korea Advanced Institute of Science & Technology
 Korea Advanced Institute of Science & Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Celltrion, Inc.
 Celltrion, Inc. BiotechnologyHealth Technology Develops biopharmaceutical products | Health Technology |
Celltrion Holdings Co., Ltd.
Celltrion Holdings Co., Ltd. Movies/EntertainmentConsumer Services Operates as a holding company whose subsidiaries produces broadcast programs and provides system integration services | Consumer Services |
Celltrion Healthcare Holdings Co., Ltd.
Celltrion Healthcare Holdings Co., Ltd. Financial ConglomeratesFinance Operates as an investment holding company | Finance |
- Stock Market
- Insiders
- Jin-Seok Seo
