![Wing Hay Siu](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>)
Wing Hay Siu
Director/Board Member at
LAI SI ENTERPRISE HOLDING LIMITED
Profile
Wing Hay Siu is currently Independent Director at Sainte Nutritional, Inc. since 2025, Independent Non-Executive Director at Lai Si Enterprise Holding Ltd. since 2022, Independent Non-Executive Director at China Great Ambition Group Ltd., Managing Director at Red Sun Capital Ltd. since 2017, Independent Non-Executive Director at Atom Therapeutics Co., Ltd. since 2025, Member of the Hong Kong Institute of Certified Public Accountants since 2003, Member of the Association of Chartered Certified Accountants (Hong Kong) since 2001, and Council Member of The Hong Kong Independent Non-Executive Director Association since 2025.
Former roles include Managing Director at Messis Capital Ltd. from 2011 to 2016, Executive Director at Hantec Investment Holdings Ltd. from 1999 to 2011, and Independent Non-Executive Director at Janco Holdings Ltd. from 2016 to 2019.
Education includes an undergraduate degree from The Hong Kong University of Science & Technology, conferred in 1997.
Wing Hay Siu active positions
| Companies | Position | Start |
|---|---|---|
| LAI SI ENTERPRISE HOLDING LIMITED | Director/Board Member | 2022-02-09 |
Hong Kong Institute of Certified Public Accountants
 Hong Kong Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Provides accounting services | Corporate Officer/Principal | 2003-02-28 |
Association of Chartered Certified Accountants (Hong Kong) | Corporate Officer/Principal | 2001-04-30 |
China Great Ambition Group Ltd.
 China Great Ambition Group Ltd. Computer CommunicationsElectronic Technology Develops, designs, manufactures, and sells intelligent controller for household electrical appliances | Director/Board Member | - |
Red Sun Capital Ltd.
 Red Sun Capital Ltd. Investment ManagersFinance Provides investment advice | Corporate Officer/Principal | 2016-12-31 |
Qingdao Shengtong Nutrition Food Co Ltd
 Qingdao Shengtong Nutrition Food Co Ltd Pharmaceuticals: OtherHealth Technology Engages in research, development, production and sale of medical purpose formula foods | Director/Board Member | 2024-12-31 |
Jiangsu Atom Bioscience & Pharmaceutical Co., Ltd.
 Jiangsu Atom Bioscience & Pharmaceutical Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Engaged in research and development of innovative drugs | Director/Board Member | 2025-08-31 |
The Hong Kong Independent Non-Executive Director Association | Corporate Officer/Principal | 2025-08-31 |
Former positions of Wing Hay Siu
| Companies | Position | End |
|---|---|---|
| JANCO HOLDINGS LIMITED | Director/Board Member | 2019-09-12 |
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Training of Wing Hay Siu
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
82
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Hantec Investment Holdings Ltd.
 Hantec Investment Holdings Ltd. Regional BanksFinance Provides leveraged foreign exchange trading and brokerage services | Finance |
Messis Capital Ltd.
 Messis Capital Ltd. Financial ConglomeratesFinance Provide financial services | Finance |
The Hong Kong University of Science & Technology
 The Hong Kong University of Science & Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Hong Kong Institute of Certified Public Accountants
Hong Kong Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Provides accounting services | Commercial Services |
Association of Chartered Certified Accountants (Hong Kong) | |
The Hong Kong Independent Non-Executive Director Association | |
Janco Holdings Ltd.
 Janco Holdings Ltd. Real Estate DevelopmentFinance Operates non residential buildings | Finance |
Lai Si Enterprise Holding Ltd.
 Lai Si Enterprise Holding Ltd. Engineering & ConstructionIndustrial Services Functions as an holding company that provides construction services | Industrial Services |
China Great Ambition Group Ltd.
China Great Ambition Group Ltd. Computer CommunicationsElectronic Technology Develops, designs, manufactures, and sells intelligent controller for household electrical appliances | Electronic Technology |
Red Sun Capital Ltd.
Red Sun Capital Ltd. Investment ManagersFinance Provides investment advice | Finance |
Jiangsu Atom Bioscience & Pharmaceutical Co., Ltd.
Jiangsu Atom Bioscience & Pharmaceutical Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Engaged in research and development of innovative drugs | Commercial Services |
Qingdao Shengtong Nutrition Food Co Ltd
Qingdao Shengtong Nutrition Food Co Ltd Pharmaceuticals: OtherHealth Technology Engages in research, development, production and sale of medical purpose formula foods | Health Technology |
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