Xavier Buck is an angel investor and operator angel based in Luxembourg with 4 known investments: Passbolt, Farmia, EmailTree AI and SponsorMyEvent.
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Investment focus
Contacts
Xavier Buck portfolio companies (4)
- Passbolt
- Farmia
- EmailTree AI
- SponsorMyEvent
Affiliated funds' portfolios
Independent Director at Groupe HLD
Investor Profile
Founders in the listed sectors AI and SaaS, and focus areas Cybersecurity, Enterprise SaaS and Machine Learning will recognize the pattern in this portfolio.
Xavier Buck appears in Pre-Seed and Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Xavier Buck?
Xavier Buck is an angel investor and operator angel based in Luxembourg with 4 known investments on file, among them Passbolt, Farmia and EmailTree AI. The sections above list the sectors, stages and firms attached to that record.
What does Xavier Buck invest in?
Listed sectors include AI and SaaS; listed focus areas include Cybersecurity, Enterprise SaaS and Machine Learning. 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.
What stage does Xavier Buck invest at?
The known deals of Xavier Buck include Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Xavier Buck?
An email address and a LinkedIn page are on file for Xavier Buck. 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