![Jiro Ryuta](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>)
Profile
Jiro Ryuta has been working at SUMCO Corp.
since 2008.
In 2026, the role of Chairman & President was assumed.
Mr. Ryuta also holds the position of Director at Formosa Sumco Technology Corp.
Both roles are current.
Jiro Ryuta active positions
| Companies | Position | Start |
|---|---|---|
| SUMCO CORPORATION | Chairman | 28/02/2026 |
| FORMOSA SUMCO TECHNOLOGY CORPORATION | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
36
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
SUMCO Corp.
 SUMCO Corp. Industrial MachineryProducer Manufacturing Manufactures and markets silicon wafers for semiconductors | Producer Manufacturing |
Formosa Sumco Technology Corp.
 Formosa Sumco Technology Corp. Industrial MachineryProducer Manufacturing Manufactures silicon wafers | Producer Manufacturing |
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