![In-Soo Suh](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>)
In-Soo Suh
Chief Executive Officer at
STI CO., LTD.
Net worth: 37 M $ as of 2026-09-29
Profile
Mr. In-Soo Suh is a Co-Chief Executive Officer & Director at SYSTEMS TECHNOLOGY, Inc., a Chairman at SUNGDO ENGINEERING & CONSTRUCTION Co., Ltd., a Chief Executive Officer at Sungdo Engineering & Construction China Co. Ltd., a Chief Executive Officer at Sungdo Leaders & Development Co., Ltd. and a Chief Executive Officer at Sungdo Leaders & Development Co., Ltd. (China).
He is on the Board of Directors at SYSTEMS TECHNOLOGY, Inc. He received his undergraduate degree from Chung-Ang University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-09-29 | 3,400,000 ( 22.35% ) | 19 M $ | 2026-09-29 | |
| 2026-03-30 | 1,043,904 ( 6.73% ) | 18 M $ | 2026-09-29 |
In-Soo Suh active positions
| Companies | Position | Start |
|---|---|---|
| STI CO., LTD. | Chief Executive Officer | 2010-06-28 |
| SUNGDO ENGINEERING & CONSTRUCTION CO., LTD. | Founder | 1987-03-16 |
Sungdo Leaders & Development Co., Ltd.
 Sungdo Leaders & Development Co., Ltd. Real Estate DevelopmentFinance Provides real estate advisory and brokerage services | Chief Executive Officer | - |
Sungdo Leaders & Development Co., Ltd. (China) | Chief Executive Officer | - |
Sungdo Engineering & Construction China Co. Ltd. | Chief Executive Officer | - |
Education of In-Soo Suh
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
20
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
SUNGDO ENGINEERING & CONSTRUCTION Co., Ltd.
 SUNGDO ENGINEERING & CONSTRUCTION Co., Ltd. Engineering & ConstructionIndustrial Services Provides plant and industrial facilities construction services | Industrial Services |
SYSTEMS TECHNOLOGY, Inc.
 SYSTEMS TECHNOLOGY, Inc. Electronic Production EquipmentElectronic Technology Produces semiconductor manufacturing machinery | Electronic Technology |
Sungdo Leaders & Development Co., Ltd.
Sungdo Leaders & Development Co., Ltd. Real Estate DevelopmentFinance Provides real estate advisory and brokerage services | Finance |
Chung-Ang University
 Chung-Ang University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sungdo Leaders & Development Co., Ltd. (China) | |
Sungdo Engineering & Construction China Co. Ltd. |
- Stock Market
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- In-Soo Suh
