Hansjörg Wyss
Chief Executive Officer at
Halter Winery LLC
Net worth: 151 M $ as of 2026-05-30
Profile
Hansjörg Wyss is the founder of Synthes USA LP (founded in 1974), Wyss Foundation (founded in 1998), and Halter Winery LLC (founded in 2000).
At Halter Winery LLC, he holds the title of Chief Executive Officer & Owner.
Dr. Wyss's current job(s) include being the Director at The Wilderness Society since 1993, Director at Blueco 22 Midco Ltd., and Trustee at Grand Canyon Trust.
Dr. Wyss's former job(s) include being the Chairman at Synthes, Inc., Director at Monsanto Europe NV, and President & Managing Director at Schappe Burlington AG.
Dr. Wyss's education history includes an MBA from Harvard University and a graduate degree from the Swiss Federal Institute of Technology.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
NovoCure Ltd.
 NovoCure Ltd. Medical SpecialtiesHealth Technology Operates as a commercial-stage oncology company 7.03% | 2026-04-05 | 8,141,397 ( 7.03% ) | 139 M $ | 2026-05-30 |
Bellevue Group AG
 Bellevue Group AG Investment ManagersFinance Provides asset management services 9.66% | 2025-12-30 | 1,300,000 ( 9.66% ) | 12 M $ | 2026-05-30 |
Hansjörg Wyss active positions
| Companies | Position | Start |
|---|---|---|
Grand Canyon Trust
 Grand Canyon Trust Miscellaneous Commercial ServicesCommercial Services Engages in protecting and restoring of Colorado plateau | Director/Board Member | - |
The Wilderness Society
 The Wilderness Society Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit land conservation organization that is dedicated to protecting natural areas and federal public lands | Director/Board Member | 1992-12-31 |
Halter Winery LLC
 Halter Winery LLC Beverages: AlcoholicConsumer Non-Durables Produces wines and brandy spirits | Chief Executive Officer | 1999-12-31 |
Blueco 22 Midco Ltd.
 Blueco 22 Midco Ltd. Real Estate DevelopmentFinance Provides property investment services | Director/Board Member | 2022-07-11 |
Loreda Holding GmbH
 Loreda Holding GmbH Investment ManagersFinance Loreda Holding invests in companies located in Switzerland. The firm focuses on healthcare and technology sectors. It participates in buyout transactions. | Founder | 2011-12-31 |
Glenturret Holding SA
 Glenturret Holding SA Beverages: AlcoholicConsumer Non-Durables Engages in distillery business | Director/Board Member | - |
Avery Therapeutics, Inc.
 Avery Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Develops tissue-engineered therapeutics to treat diseases and injuries to human muscle | Director/Board Member | - |
Former positions of Hansjörg Wyss
| Companies | Position | End |
|---|---|---|
Wyss Foundation
 Wyss Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as a charitable foundation | Founder | - |
Synthes USA LP
 Synthes USA LP Medical SpecialtiesHealth Technology Manufactures and supplies surgical and medical devices | Founder | - |
| ░░░░░░░░ ░░░░░░ ░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░░░ ░░░░░░░░░░ ░░ | ░░░░░░░░░ | - |
| ░░░░░░░░ ░░░░ | ░░░░░░░░ | - |
Training of Hansjörg Wyss
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
31
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Synthes, Inc.
 Synthes, Inc. Medical SpecialtiesHealth Technology Develops, produces & markets instruments, implants and biomaterials for surgical fixation, correction, regeneration of human skeleton & soft tissues | Health Technology |
Swiss Federal Institute of Technology
 Swiss Federal Institute of Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Monsanto Europe NV
 Monsanto Europe NV Chemicals: AgriculturalProcess Industries Manufactures and fertilizers seeds | Process Industries |
The Wilderness Society
The Wilderness Society Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit land conservation organization that is dedicated to protecting natural areas and federal public lands | Commercial Services |
Grand Canyon Trust
Grand Canyon Trust Miscellaneous Commercial ServicesCommercial Services Engages in protecting and restoring of Colorado plateau | Commercial Services |
Synthes USA LP
Synthes USA LP Medical SpecialtiesHealth Technology Manufactures and supplies surgical and medical devices | Health Technology |
Wyss Foundation
Wyss Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as a charitable foundation | Miscellaneous |
Schappe Burlington AG | |
Loreda Holding GmbH
Loreda Holding GmbH Investment ManagersFinance Loreda Holding invests in companies located in Switzerland. The firm focuses on healthcare and technology sectors. It participates in buyout transactions. | Finance |
Avery Therapeutics, Inc.
Avery Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Develops tissue-engineered therapeutics to treat diseases and injuries to human muscle | Commercial Services |
Halter Winery LLC
Halter Winery LLC Beverages: AlcoholicConsumer Non-Durables Produces wines and brandy spirits | Consumer Non-Durables |
Glenturret Holding SA
Glenturret Holding SA Beverages: AlcoholicConsumer Non-Durables Engages in distillery business | Consumer Non-Durables |
Blueco 22 Midco Ltd.
Blueco 22 Midco Ltd. Real Estate DevelopmentFinance Provides property investment services | Finance |
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- Hansjörg Wyss
