Stefan Rattensperger is a Senior Member at Infranity, whose known portfolio counts 7 companies.
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Investment focus
- Stage
- Late-Stage
Contacts
Affiliated funds' portfolios
Senior Member at Infranity, whose known portfolio counts 7 companies
- Enpal
- Enfinity Global
- CleanCapital
- Borealis Data Center
- MaxSolar
- Blue Elephant Energy
- Retelit
Investor Profile
Founders in the listed sectors Climate, FinTech, Hardware and Real Estate, and focus areas Clean Energy, Data Centers, Solar and Sustainability fall inside that listing.
Infranity appears in Late-Stage rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Stefan Rattensperger is worth approaching.
Colleagues at Infranity
Gilles Lengaigne
Managing Partner
France
Katherine McElroy
Managing Director, Infrastructure Investment
New York, United States
Dominique Bellec
Investor
Paris, France
Georgios Tzimas
Investment Director
France
Amaury Debiard
Investor Relations Vice President
France
Frequently asked questions
Who is Stefan Rattensperger?
Stefan Rattensperger is a private equity investor and venture debt investor based in London, England, United Kingdom, listed as Senior Member at Infranity. The known portfolio of that firm counts 7 companies. That portfolio belongs to the firm, not to Stefan Rattensperger personally.
What does Stefan Rattensperger invest in?
Listed sectors include Climate, FinTech, Hardware and Real Estate; listed focus areas include Clean Energy, Data Centers, Solar and Sustainability. 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 Stefan Rattensperger invest at?
Infranity appears in Late-Stage rounds across its known deals, and Stefan Rattensperger is listed there as Senior Member. 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 Stefan Rattensperger listed at?
Stefan Rattensperger is listed as Senior Member at Infranity. 5 other people in the database share a firm with Stefan Rattensperger.
How do I contact Stefan Rattensperger?
An email address, a phone number and a LinkedIn page are on file for Stefan Rattensperger. 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