Klaas de Boer
Net worth: 274 950 $ as of 2026-06-29
Net worth: 274 950 $ as of 2026-06-29
Klaas de Boer currently works at General Fusion, Inc., as Chairman from 2020, Xeros Technology Group Plc, as Chairman from 2020, CelLBxHealth Plc, as Non-Executive Director from 2026, SmartKem, Inc., as Independent Director from 2021, SmartKem Ltd., as Director from 2017, and General Fusion Group Ltd., as Independent Director.
Mr. de Boer also formerly worked at Heliocentris Fuel Cell Solutions GmbH, as Vice Chairman, Heliocentris Energy Solutions AG, as Vice Chairman-Supervisory Board from 2015 to 2016, OptiNose, Inc., as Director, Entrepreneurs Fund Management Services, as Managing Director, Prosonix Ltd., as Non-Executive Director, 20, as Director, ProtAffin Biotechnologie AG, as Director-Supervisory Board from 2009 to 2014, Optinose AS, as Director, inge GmbH, as Director, n-Tec AS, as Director, Technolas Perfect Vision GmbH, as Director, Preferred Global Health, Inc., as CIO & Marketing Director, The New Motion BV, as Director, Oomph Wellness Ltd., as Director, D3O Holdings Ltd., as Director, Lifeline Scientific, Inc., as Non-Executive Director from 2008 to 2016, Vanenburg Group BV, as Business Development Manager, vasopharm GmbH, as Member-Supervisory Board, Entrepreneurs Fund Management LLP, as Managing Partner from 2006 to 2021, and The Makers BV (Netherlands), as Managing Partner.
Mr. de Boer received his Masters Business Admin degree in 1993 from INSEAD and graduate degree in 1990 from Delft University of Technology.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-30 | 12,811,904 ( 1.49% ) | 272 125 $ | 2026-06-29 | |
SMARTKEM, INC. 0.05% | 2026-04-30 | 11,530 ( 0.05% ) | 2 825 $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
| XEROS TECHNOLOGY GROUP PLC | Chairman | 2020-01-12 |
| SMARTKEM, INC. | Director/Board Member | 2021-02-22 |
| CELLBXHEALTH PLC | Director/Board Member | 2026-01-11 |
SmartKem Ltd.
SmartKem Ltd. Industrial SpecialtiesProcess Industries Develops and markets printable electronics and semiconductors | Director/Board Member | 2017-12-12 |
General Fusion, Inc.
General Fusion, Inc. Engineering & ConstructionIndustrial Services Engages in development, construction and operation of large-scale magnetized target fusion demonstration machine | Chairman | 2020-08-12 |
| Companies | Position | End |
|---|---|---|
Entrepreneurs Fund Management LLP
Entrepreneurs Fund Management LLP Investment ManagersFinance Entrepreneurs Fund invests in companies located primarily in Western Europe. The firm targets companies operating in the fields of life sciences and technology. It provides financing from seed to pre-IPO stages with an investment size of EUR 250k – 10 million. | Private Equity Investor | 2021-06-29 |
| LIFELINE SCIENTIFIC, INC | Director/Board Member | 2016-11-30 |
| HELIOCENTRIS ENERGY SOLUTIONS AG | Director/Board Member | 2016-10-31 |
Prosonix Ltd.
Prosonix Ltd. Pharmaceuticals: MajorHealth Technology Develops a portfolio of inhaled respiratory medicines | Director/Board Member | 2014-12-31 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 27 |
|---|---|
CelLBxHealth Plc
CelLBxHealth Plc Medical DistributorsDistribution Services Operates as a holding company with interests in providing products in cancer diagnostics and foetal health | Distribution Services |
Lifeline Scientific, Inc.
Lifeline Scientific, Inc. Medical SpecialtiesHealth Technology Develops and markets medical products and services | Health Technology |
OptiNose, Inc.
OptiNose, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company that develops and commercializes products for patients treated by ear, nose, throat and allergy diseases | Health Technology |
Vanenburg Group BV
Vanenburg Group BV Packaged SoftwareTechnology Services Develops and sells software products | Technology Services |
INSEAD
INSEAD Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
vasopharm GmbH
vasopharm GmbH Pharmaceuticals: MajorHealth Technology Discovers and develops novel therapeutics for the treatment of cerebro and cardiovascular diseases | Health Technology |
Delft University of Technology
Delft University of Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Entrepreneurs Fund Management LLP
Entrepreneurs Fund Management LLP Investment ManagersFinance Entrepreneurs Fund invests in companies located primarily in Western Europe. The firm targets companies operating in the fields of life sciences and technology. It provides financing from seed to pre-IPO stages with an investment size of EUR 250k – 10 million. | Finance |
Entrepreneurs Fund Management Services
Entrepreneurs Fund Management Services Investment ManagersFinance Acts as an alternative investment manager | Finance |
Heliocentris Energy Solutions AG
Heliocentris Energy Solutions AG Electrical ProductsProducer Manufacturing Produces energy management systems and hybrid energy solutions | Producer Manufacturing |
Prosonix Ltd.
Prosonix Ltd. Pharmaceuticals: MajorHealth Technology Develops a portfolio of inhaled respiratory medicines | Health Technology |
General Fusion, Inc.
General Fusion, Inc. Engineering & ConstructionIndustrial Services Engages in development, construction and operation of large-scale magnetized target fusion demonstration machine | Industrial Services |
20/10 Perfect Vision AG
20/10 Perfect Vision AG Medical SpecialtiesHealth Technology Develops, manufactures and markets technologies for eye surgeries | Health Technology |
ProtAffin Biotechnologie AG
ProtAffin Biotechnologie AG Pharmaceuticals: MajorHealth Technology Develops anti-inflammatory products | Health Technology |
Optinose AS
Optinose AS Medical SpecialtiesHealth Technology Develops nasal drug delivery systems | Health Technology |
Xeros Technology Group Plc
Xeros Technology Group Plc Industrial MachineryProducer Manufacturing Develops and sells various polymer bead cleaning systems for commercial applications | Producer Manufacturing |
inge GmbH
inge GmbH Industrial MachineryProducer Manufacturing Develops water purification equipment | Producer Manufacturing |
n-Tec AS
n-Tec AS Chemicals: SpecialtyProcess Industries Produces and markets carbon nano tubes, carbon cones/discs, and related carbon nano materials | Process Industries |
TECHNOLAS Perfect Vision GmbH
TECHNOLAS Perfect Vision GmbH Medical SpecialtiesHealth Technology Develops and markets laser and surgical technology solutions | Health Technology |
Preferred Global Health, Inc.
Preferred Global Health, Inc. Life/Health InsuranceFinance Provides health insurance services | Finance |
SmartKem Ltd.
SmartKem Ltd. Industrial SpecialtiesProcess Industries Develops and markets printable electronics and semiconductors | Process Industries |
Heliocentris Fuel Cell Solutions GmbH
Heliocentris Fuel Cell Solutions GmbH Electronic Equipment/InstrumentsElectronic Technology Designs and develops, produces, markets and services proton exchange membrane based energy systems | Electronic Technology |
The New Motion BV
The New Motion BV Electrical ProductsProducer Manufacturing Provides charging solutions for electric cars | Producer Manufacturing |
The Makers BV (Netherlands)
The Makers BV (Netherlands) Apparel/FootwearConsumer Non-Durables Manufactures suits | Consumer Non-Durables |
Oomph Wellness Ltd.
Oomph Wellness Ltd. Medical/Nursing ServicesHealth Services Offers health and wellness programs for elders | Health Services |
D3O Holdings Ltd.
D3O Holdings Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
SmartKem, Inc.
SmartKem, Inc. SemiconductorsElectronic Technology Engages in the development of materials and processes used to make organic thin-film transistors | Electronic Technology |
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