Investor profile
Bertrand Altmayer
Angel, Operator angel & Membre du Conseil de surveillance at Asterion Ventures, Investor at Climate Club
An angel investor and operator angel based in Biarritz, Nouvelle-Aquitaine, France, Bertrand Altmayer has 5 known investments: Electra, Jay&Joy, Bastille, Eutopia and Galion.
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Investment focus
- Focus
- BiotechClean Energy
Contacts
Bertrand Altmayer portfolio companies (5)
- Electra
- Jay&Joy
- Bastille
- Eutopia
- Galion
Affiliated funds' portfolios
Membre du Conseil de surveillance at Asterion Ventures, whose known portfolio counts 10 companies
- WeeFin
- Enrise
- Ever Dye
- Fungu'it
- Futurail
- Living Models
- Qomon
- Bubble Robotics
- Darwin
- Spark Cleantech
Investor at Climate Club, whose known portfolio counts 10 companies
- Alvie
- ARK Capture Solutions
- Ecair
- Enrise
- NeoEarth
- PULSETRAIN
- Rewake
- Melia
- Moea
- ATOBA Energy
Investor Profile
Founders in the listed sectors Climate, FinTech, Healthcare and SaaS, and focus areas Biotech and Clean Energy will recognize the pattern in this portfolio.
Bertrand Altmayer appears in Seed and Series A rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues
Antoine Le Conte
Founding Partner
Paris, France
Quentin Vacher
Partner
Paris, France
Frederic Mugnier
Partner
Nantes, France
Marine Reygrobellet
Partner
Paris, France
Louise Bousquet Andreani
Partner
Paris, France
Jeremy Charoy
Founding Partner
Lisbon, Portugal
Louise Edouard
Senior Associate
Paris, France
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Frequently asked questions
Who is Bertrand Altmayer?
Bertrand Altmayer is an angel investor and operator angel based in Biarritz, Nouvelle-Aquitaine, France with 5 known investments on file, among them Electra, Jay&Joy and Bastille. The sections above list the sectors, stages and firms attached to that record.
What does Bertrand Altmayer invest in?
Listed sectors include Climate, FinTech, Healthcare and SaaS; listed focus areas include Biotech and Clean Energy. 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 Bertrand Altmayer invest at?
The known deals of Bertrand Altmayer include Seed and Series A 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 Bertrand Altmayer listed at?
Bertrand Altmayer is listed as Membre du Conseil de surveillance at Asterion Ventures. 7 other people in the database share a firm with Bertrand Altmayer.
How do I contact Bertrand Altmayer?
A LinkedIn page is on file for Bertrand Altmayer. 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