![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 31/05/2026
Profile
Byeong-Seok Yoon currently works at SK Gas Co., Ltd., as President, Chief Executive Officer & Director from 2022, SK Advanced Co., Ltd., as Non-Executive Director, and SK eternix Co. Ltd., as President.
Mr. Yoon also formerly worked at Ulsan GPS Corp., as Chief Executive Officer.
Mr. Yoon received his Masters Business Admin degree 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 $ | 31/05/2026 |
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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