![Seon-Seok Yoo](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>)
Seon-Seok Yoo
Chief Executive Officer at
E&Investment, Inc.
Net worth: 1 M $ as of 29/06/2026
Profile
Seon-Seok Yoo is the founder and CEO of E&Investment, Inc. which was founded in 2007.
He also held the title of CSO & President-Executive Board at Easy Holdings Co., Ltd. Mr. Yoo received an undergraduate degree from Yonsei University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
Optipharm Co., Ltd.
 Optipharm Co., Ltd. Pharmaceuticals: MajorHealth Technology Manufactures and wholesales pharmaceutical products 2.73% | 29/09/2025 | 400,000 ( 2.73% ) | 1 M $ | 29/06/2026 |
Seon-Seok Yoo active positions
| Companies | Position | Start |
|---|---|---|
E&Investment, Inc.
 E&Investment, Inc. Investment ManagersFinance E& is a passive manager which provides equity funding for small and medium sized companies. It invests in companies operating in industries such as food manufacturing and biotechnology. | Chief Executive Officer | 28/09/2011 |
Former positions of Seon-Seok Yoo
| Companies | Position | End |
|---|---|---|
| EASY HOLDINGS CO., LTD. | Chief Tech/Sci/R&D Officer | - |
Training of Seon-Seok Yoo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
5
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
Easy Holdings Co., Ltd.
 Easy Holdings Co., Ltd. Agricultural Commodities/MillingProcess Industries Produces animal feed supplements | Process Industries |
Yonsei University
 Yonsei University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
E&Investment, Inc.
E&Investment, Inc. Investment ManagersFinance E& is a passive manager which provides equity funding for small and medium sized companies. It invests in companies operating in industries such as food manufacturing and biotechnology. | Finance |
- Stock Market
- Insiders
- Seon-Seok Yoo
