Thomas Mayen is a Healthcare VC at UI Investissement, whose known portfolio counts 11 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Healthcare VC at UI Investissement, whose known portfolio counts 11 companies
- DeepUll
- Exeliom
- Fizimed
- Bobine Chemistry
- Nova Carbon
- Ask for the Moon
- Eclore
- Fungu'it
- RUTILE.bike
- B Capital Partners
- The QA Company
Investor Profile
The listing covers sectors Food, Hardware, Healthcare and SaaS, and focus areas Biotech, CPG, FoodTech and LBO. Startups operating in these areas may find Thomas Mayen relevant.
UI Investissement appears in Growth, Late-Stage and Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Thomas Mayen matches their raise.
Colleagues at UI Investissement
Helene Trabuchet
Directrice d'investissements
Limoges, France
Laurent Le Portz
Fund Manager
Paris, France
Pauline de Breteuil
Investor
Paris, France
Yoann Ribay
Directeur d'investissement
Clermont-Ferrand, France
Fabien Patillaud
Directeur Associé UI Investissement - Région Est
Reims, France
Camille Curtil
Directrice d'Investissement - Capital Innovation
Paris, France
Arnaud Grandclerc
Directeur d'investissement
Reims, France
Andre Ostachkov
Benelux Regional Partner for PI3
Belgium
Julian Ortelli
Associate
Clermont-Ferrand, France
Frequently asked questions
Who is Thomas Mayen?
Thomas Mayen is a private equity investor and venture capital investor based in Paris, Île-de-France, France, listed as Healthcare VC at UI Investissement. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Thomas Mayen personally.
What does Thomas Mayen invest in?
Listed sectors include Food, Hardware, Healthcare and SaaS; listed focus areas include Biotech, CPG, FoodTech and LBO. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Thomas Mayen invest at?
UI Investissement appears in Growth, Late-Stage and Seed rounds across its known deals, and Thomas Mayen is listed there as Healthcare VC. 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 Thomas Mayen listed at?
Thomas Mayen is listed as Healthcare VC at UI Investissement. 9 other people in the database share a firm with Thomas Mayen.
How do I contact Thomas Mayen?
A LinkedIn page is on file for Thomas Mayen. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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