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Ja-Cheol Koo
Chairman at
INVENI CO., LTD.
Net worth: 139 M $ as of 2026-09-29
Profile
Mr. Ja-Cheol Koo is a Chairman at INVENI Co., Ltd. He is on the Board of Directors at Hansung Co., Ltd. and Woosung G&T Co., Ltd. Mr. Koo was previously employed as a Chairman by Yesco Co., Ltd. He also served on the board at HANSUNG FLANGE Co. Ltd., Hansung PCC Co., Ltd. and LI & S Co. Ltd. He received his undergraduate degree from Hankuk University of Foreign Studies.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
LS Corp.
 LS Corp. Electrical ProductsProducer Manufacturing Operates as a holding company which manufactures industrial electric, electronic and other materials 1.94% | 2026-08-20 | 603,739 ( 1.94% ) | 138 M $ | 2026-09-29 |
INVENI CO., LTD. 0.34% | 2026-10-14 | 90,000 ( 0.34% ) | 977 466 $ | 2026-09-29 |
Ja-Cheol Koo active positions
| Companies | Position | Start |
|---|---|---|
| INVENI CO., LTD. | Chairman | 2012-12-31 |
Hansung Co., Ltd.
 Hansung Co., Ltd. Engineering & ConstructionIndustrial Services Engages in heat treatment of metals | Director/Board Member | - |
WOOSUNG G&T Co., Ltd.
 WOOSUNG G&T Co., Ltd. Chemicals: SpecialtyProcess Industries Develops plastic products for electronic components | Director/Board Member | - |
Former positions of Ja-Cheol Koo
| Companies | Position | End |
|---|---|---|
HANSUNG FLANGE Co. Ltd.
 HANSUNG FLANGE Co. Ltd. Forest ProductsNon-Energy Minerals Manufactures wood veneer and plywood | Director/Board Member | 2023-10-26 |
Yesco Co., Ltd.
 Yesco Co., Ltd. Gas DistributorsUtilities Engages in the provision of natural gas distribution business | Chairman | 2023-03-26 |
LI & S Co. Ltd.
 LI & S Co. Ltd. Motor VehiclesConsumer Durables Develops automobile components | Director/Board Member | 2018-04-23 |
Hansung PCC Co., Ltd.
 Hansung PCC Co., Ltd. Construction MaterialsNon-Energy Minerals Manufactures concrete pipes and other structural concrete products | Director/Board Member | - |
Education of Ja-Cheol Koo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
23
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Yesco Holdings Co., Ltd.
 Yesco Holdings Co., Ltd. Gas DistributorsUtilities Operates as a holding company whose subsidiaries supplies city natural gas and manufactures precast concrete products & provides business support and management consulting services | Utilities |
Hankuk University of Foreign Studies
 Hankuk University of Foreign Studies Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Hansung Co., Ltd.
Hansung Co., Ltd. Engineering & ConstructionIndustrial Services Engages in heat treatment of metals | Industrial Services |
WOOSUNG G&T Co., Ltd.
WOOSUNG G&T Co., Ltd. Chemicals: SpecialtyProcess Industries Develops plastic products for electronic components | Process Industries |
HANSUNG FLANGE Co. Ltd.
HANSUNG FLANGE Co. Ltd. Forest ProductsNon-Energy Minerals Manufactures wood veneer and plywood | Non-Energy Minerals |
LI & S Co. Ltd.
LI & S Co. Ltd. Motor VehiclesConsumer Durables Develops automobile components | Consumer Durables |
Hansung PCC Co., Ltd.
Hansung PCC Co., Ltd. Construction MaterialsNon-Energy Minerals Manufactures concrete pipes and other structural concrete products | Non-Energy Minerals |
Yesco Co., Ltd.
Yesco Co., Ltd. Gas DistributorsUtilities Engages in the provision of natural gas distribution business | Utilities |
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