![Hyeong-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>)
Fortune : 25 808 $ au 30/06/2026
Hyeong-Seok Yoon is currently the Vice President & Head-Technology at Pie Co., Ltd. He previously worked as the Director-Organic Light Emitting Diodes Division at SNU Precision Co., Ltd. in 2011 and as an Executive Board Member and Head of R&D at SFA Engineering Corp.
Mr. Yoon completed his undergraduate and graduate degrees at Yonsei University.
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
PIE CO.,LTD. 0,03 % | 23/04/2026 | 11 000 ( 0,03 % ) | 25 808 $ | 30/06/2026 |
| Sociétés | Poste | Début |
|---|---|---|
| PIE CO., LTD. | Directeur Technique/Scientifique/R&D | 01/04/2024 |
| Sociétés | Poste | Fin |
|---|---|---|
| SFA ENGINEERING CORPORATION | Directeur Technique/Scientifique/R&D | - |
| SNU PRECISION CO., LTD. | Corporate Officer/Principal | - |
Actives
Inactives
Sociétés cotées
Entreprise privées
| Entreprise privées | 4 |
|---|---|
SFA Engineering Corp.
 SFA Engineering Corp. Electronic Production EquipmentElectronic Technology Engages in the manufacture and sale of machinery and automation equipment | Electronic Technology |
SNU Precision Co., Ltd.
 SNU Precision Co., Ltd. Electronic Production EquipmentElectronic Technology Engages in research, design, production and sale of equipment for semiconductor, LCD and display manufacturing markets | Electronic Technology |
Yonsei University
 Yonsei University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Pie Co. Ltd.
 Pie Co. Ltd. Medical SpecialtiesHealth Technology Develops and manufactures medical devices & beauty equipment | Health Technology |
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