![Bon-Chun Koo](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>)
Bon-Chun Koo
Chairman at
LB SEMICON INC.
Net worth: 15 M $ as of 2026-09-29
Profile
Dr. Bon-Chun Koo is a Chairman at LB Semicon, Inc. He is on the Board of Directors at Lb Lusem Co., Ltd., LB Private Equity, Inc., LB Investment, Inc., LB Corp., LBHunet Co., Ltd. and LB Investment Co., Ltd. Dr. Koo was previously employed as an Independent Director by Daum Communications Corp., a Consultant by McKinsey, Inc. /Korea/, and a Non-Executive Director by Ucess Partners, Inc. He received his undergraduate degree from Seoul National University, a graduate degree from Cornell University and a doctorate degree from Cornell University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
LB SEMICON, INC. 6.35% | 2026-09-17 | 4,452,789 ( 6.35% ) | 15 M $ | 2026-09-29 |
Bon-Chun Koo active positions
| Companies | Position | Start |
|---|---|---|
| LB SEMICON INC. | Chairman | 2005-08-31 |
| LB LUSEM CO., LTD. | Director/Board Member | 2018-02-28 |
| LB INVESTMENT INC. | Director/Board Member | 2003-02-28 |
LB Investment Co., Ltd
 LB Investment Co., Ltd Investment ManagersFinance LB Investment invests in companies across the globe, primarily in South Korea. The firm focuses on deep-tech and AI, platform and service, contents, bio and healthcare service sectors. It provides financing for early and later stage capital requirements. | Director/Board Member | - |
LBHunet Co., Ltd.
 LBHunet Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Provides business process outsourcing services | Director/Board Member | - |
LB Private Equity, Inc.
 LB Private Equity, Inc. Investment ManagersFinance LB PE is an active manager which provides equity funding for small, medium and large sized companies. The firm invests in a wide range of sectors and industries such as chemical industries. | Director/Board Member | - |
LB Corp.
 LB Corp. Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | - |
Former positions of Bon-Chun Koo
| Companies | Position | End |
|---|---|---|
Mckinsey & Co., Inc. /Korea/
 Mckinsey & Co., Inc. /Korea/ Miscellaneous Commercial ServicesCommercial Services Provides management consulting services | Corporate Officer/Principal | - |
Ucess Partners, Inc.
 Ucess Partners, Inc. Personnel ServicesCommercial Services Provides smart recruiting services | Director/Board Member | - |
| ░░░░ ░░░░░░░░░░░░░░ ░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Education of Bon-Chun Koo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
59
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Daum Communications Corp.
 Daum Communications Corp. Specialty TelecommunicationsCommunications Provides access to the Internet | Communications |
Cornell University
 Cornell University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
LB Investment Co., Ltd
LB Investment Co., Ltd Investment ManagersFinance LB Investment invests in companies across the globe, primarily in South Korea. The firm focuses on deep-tech and AI, platform and service, contents, bio and healthcare service sectors. It provides financing for early and later stage capital requirements. | Finance |
Seoul National University
 Seoul National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Mckinsey & Co., Inc. /Korea/
Mckinsey & Co., Inc. /Korea/ Miscellaneous Commercial ServicesCommercial Services Provides management consulting services | Commercial Services |
LB Semicon, Inc.
 LB Semicon, Inc. SemiconductorsElectronic Technology Engages in the provision of semiconductor chip bumping services | Electronic Technology |
LB Corp.
LB Corp. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
LBHunet Co., Ltd.
LBHunet Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Provides business process outsourcing services | Commercial Services |
Ucess Partners, Inc.
Ucess Partners, Inc. Personnel ServicesCommercial Services Provides smart recruiting services | Commercial Services |
LB Private Equity, Inc.
LB Private Equity, Inc. Investment ManagersFinance LB PE is an active manager which provides equity funding for small, medium and large sized companies. The firm invests in a wide range of sectors and industries such as chemical industries. | Finance |
Lb Lusem Co., Ltd.
 Lb Lusem Co., Ltd. SemiconductorsElectronic Technology Provides semiconductor IC assembly and test services | Electronic Technology |
LB Investment, Inc.
 LB Investment, Inc. Investment ManagersFinance Operates as an investment company | Finance |
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