Didier Rousseau is an angel investor and operator angel based in Paris, Île-de-France, France. The known portfolio counts 2 companies: Wiztopic and Xenothera.
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Investment focus
- Focus
- BiotechClean EnergyCloud InfrastructureData AnalyticsDeepTechEnterprise SaaSResearch and DevelopmentVertical Farming
Contacts
Didier Rousseau portfolio companies (2)
- Wiztopic
- Xenothera
Affiliated funds' portfolios
Entrepreneur at FAMM, whose known portfolio counts 3 companies
- NeoFarm
- MiiMOSA
- Agripolis
Investor Profile
Founders in the listed sectors Climate, Hardware, Healthcare and SaaS, and focus areas Biotech, Clean Energy, Cloud Infrastructure and Data Analytics will recognize the pattern in this portfolio.
Didier Rousseau appears in Pre-Seed and Seed rounds across the known deals.
The portfolio and focus above give founders context on whether Didier Rousseau matches their raise.
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Frequently asked questions
Who is Didier Rousseau?
Didier Rousseau is an angel investor and operator angel based in Paris, Île-de-France, France with 2 known investments on file, among them Wiztopic and Xenothera. The sections above list the sectors, stages and firms attached to that record.
What does Didier Rousseau invest in?
Listed sectors include Climate, Hardware, Healthcare and SaaS; listed focus areas include Biotech, Clean Energy, Cloud Infrastructure and Data Analytics. 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 Didier Rousseau invest at?
The known deals of Didier Rousseau 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.
Which firm is Didier Rousseau listed at?
Didier Rousseau is listed as Entrepreneur at FAMM, whose known portfolio counts 3 companies.
How do I contact Didier Rousseau?
An email address, a phone number and a LinkedIn page are on file for Didier Rousseau. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal