Jeroen Siemes is an angel investor and operator angel based in Tilburg, North Brabant, Netherlands. The known portfolio counts 4 companies: Sirius Medical, Xyall, InnoSIGN and BioConnection B.V.
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Investment focus
- Sector
- Healthcare
Contacts
Jeroen Siemes portfolio companies (4)
- Sirius Medical
- Xyall
- InnoSIGN
- BioConnection B.V.
Investor Profile
The known portfolio sits in sector Healthcare, and focus areas Biotech, Digital Health, MedTech and Medical Devices.
The portfolio and focus above give founders context on whether Jeroen Siemes matches their raise.
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Frequently asked questions
Who is Jeroen Siemes?
Jeroen Siemes is an angel investor and operator angel based in Tilburg, North Brabant, Netherlands with 4 known investments on file, among them Sirius Medical, Xyall and InnoSIGN. The sections above list the sectors attached to that record.
What does Jeroen Siemes invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Digital Health, MedTech and Medical Devices. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
How do I contact Jeroen Siemes?
An email address and a LinkedIn page are on file for Jeroen Siemes. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal