![Siew Wai Yong](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>)
Siew Wai Yong
Chief Executive Officer at
TRIO-TECH INTERNATIONAL
Net worth: 16 M $ as of 30/06/2026
Profile
Mr. Siew Wai Yong is a Chairman & Chief Executive Officer at Trio-Tech International and a Managing Director at Trio-Tech International Pte Ltd. Mr. Yong was previously employed as a Managing Director by Trio-Tech (SIP) Co. Ltd.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TRIO-TECH INTERNATIONAL 12.46% | 27/01/2026 | 1,260,246 ( 12.46% ) | 16 M $ | 30/06/2026 |
Siew Wai Yong active positions
| Companies | Position | Start |
|---|---|---|
| TRIO-TECH INTERNATIONAL | Chief Executive Officer | 01/09/1990 |
Trio-Tech International Pte Ltd.
 Trio-Tech International Pte Ltd. Electronic Equipment/InstrumentsElectronic Technology Manufactures and distributes semiconductor testing equipment | Chief Executive Officer | 01/08/1980 |
Former positions of Siew Wai Yong
| Companies | Position | End |
|---|---|---|
Trio-Tech (SIP) Co. Ltd.
 Trio-Tech (SIP) Co. Ltd. Industrial MachineryProducer Manufacturing Designs, manufactures and markets front & back-end equipment and systems used in testing & production of semiconductors | Chief Executive Officer | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
5
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
Trio-Tech International
 Trio-Tech International Industrial MachineryProducer Manufacturing Engages in semiconductor testing and manufacturing | Producer Manufacturing |
Trio-Tech International Pte Ltd.
Trio-Tech International Pte Ltd. Electronic Equipment/InstrumentsElectronic Technology Manufactures and distributes semiconductor testing equipment | Electronic Technology |
Trio-Tech (SIP) Co. Ltd.
Trio-Tech (SIP) Co. Ltd. Industrial MachineryProducer Manufacturing Designs, manufactures and markets front & back-end equipment and systems used in testing & production of semiconductors | Producer Manufacturing |
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