![Woong-Sub Yoon](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>)
Woong-Sub Yoon
Chief Executive Officer at
ILDONG PHARMACEUTICAL CO., LTD.
Net worth: 13 M $ as of 30/09/2026
Profile
Woong-Sub Yoon currently holds the position of Chief Executive Officer at CMJC.
Since 2016, Mr. Yoon has been Chairman & Co-Chief Executive Officer at Ildong Pharmaceutical Co., Ltd., with the title starting in 2026.
Mr. Yoon is also a Director at Ildong Holdings Co., Ltd. since 2008, Rutec Co., Ltd., Ildong Aesthetics Co., Ltd., and Il Dong Bio Science Co., Ltd. The education history includes graduate studies at Georgia State University and undergraduate studies at Yonsei University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ILDONG HOLDINGS CO., LTD 18.14% | 15/07/2026 | 2,093,360 ( 18.14% ) | 9 M $ | 30/09/2026 |
| 20/02/2026 | 386,925 ( 1.22% ) | 4 M $ | 30/09/2026 |
Woong-Sub Yoon active positions
| Companies | Position | Start |
|---|---|---|
| ILDONG HOLDINGS CO., LTD. | Director/Board Member | 24/08/2010 |
| ILDONG PHARMACEUTICAL CO., LTD. | Chief Executive Officer | 03/08/2016 |
CMJC
 CMJC Medical DistributorsDistribution Services Wholesales medical, precision and scientific instruments and equipment | Chief Executive Officer | - |
Ildong Aesthetics Co., Ltd. | Director/Board Member | - |
Rutec Co., Ltd.
 Rutec Co., Ltd. Electronic Equipment/InstrumentsElectronic Technology Manufactures and distributes digital power meters | Director/Board Member | - |
Il dong Bio science Co., Ltd.
 Il dong Bio science Co., Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical raw materials | Director/Board Member | - |
Education of Woong-Sub Yoon
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
28
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Ildong Holdings Co., Ltd.
 Ildong Holdings Co., Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Georgia State University
 Georgia State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Yonsei University
 Yonsei University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
CMJC
CMJC Medical DistributorsDistribution Services Wholesales medical, precision and scientific instruments and equipment | Distribution Services |
Rutec Co., Ltd.
Rutec Co., Ltd. Electronic Equipment/InstrumentsElectronic Technology Manufactures and distributes digital power meters | Electronic Technology |
Ildong Aesthetics Co., Ltd. | |
Ildong Pharmaceutical Co., Ltd.
 Ildong Pharmaceutical Co., Ltd. Pharmaceuticals: MajorHealth Technology Manufactures and distributes pharmaceutical products | Health Technology |
Il dong Bio science Co., Ltd.
Il dong Bio science Co., Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical raw materials | Health Technology |
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