![Byeong-Seok 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>)
Byeong-Seok Yoon
Chief Executive Officer at
SK GAS CO., LTD.
Net worth: 4 M $ as of 30/04/2026
Profile
Mr. Byeong-Seok Yoon is a President at SK eternix Co. Ltd. and a President, Chief Executive Officer & Director at SK Gas Co., Ltd. He is on the Board of Directors at SK Advanced Co., Ltd. and SK Gas Co., Ltd. Mr. Yoon was previously employed as a Chief Executive Officer by Ulsan GPS Corp.
He received his MBA from the University of Michigan.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SK GAS CO., LTD. 0.25% | 04/02/2026 | 22,916 ( 0.25% ) | 4 M $ | 30/04/2026 |
Byeong-Seok Yoon active positions
| Companies | Position | Start |
|---|---|---|
| SK GAS CO., LTD. | Chief Executive Officer | 06/12/2018 |
SK Advanced Co., Ltd.
 SK Advanced Co., Ltd. Chemicals: SpecialtyProcess Industries Produces and distributes propylene products | Director/Board Member | - |
Former positions of Byeong-Seok Yoon
| Companies | Position | End |
|---|---|---|
Ulsan GPS Corp.
 Ulsan GPS Corp. Electric UtilitiesUtilities Operates a dual-fuel power plant capable of using both liquefied natural gas and liquefied petroleum gas | Chief Executive Officer | - |
Training of Byeong-Seok Yoon
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
7
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
SK Gas Co., Ltd.
 SK Gas Co., Ltd. Gas DistributorsUtilities Distributes liquefied petroleum gas | Utilities |
University of Michigan
 University of Michigan Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Ulsan GPS Corp.
Ulsan GPS Corp. Electric UtilitiesUtilities Operates a dual-fuel power plant capable of using both liquefied natural gas and liquefied petroleum gas | Utilities |
SK Advanced Co., Ltd.
SK Advanced Co., Ltd. Chemicals: SpecialtyProcess Industries Produces and distributes propylene products | Process Industries |
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