Christoph Ostermann is an angel investor and operator angel based in Germany with 3 known investments: Efficient Energy Technology, Numbat and ESFORIN.
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Investment focus
Contacts
Christoph Ostermann portfolio companies (3)
- Efficient Energy Technology
- Numbat
- ESFORIN
Investor Profile
The known portfolio sits in sectors Climate and Hardware, and focus areas Battery, Clean Energy, Cybersecurity and Energy Storage.
Christoph Ostermann appears in Seed and Series A rounds across the known deals.
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Frequently asked questions
Who is Christoph Ostermann?
Christoph Ostermann is an angel investor and operator angel based in Germany with 3 known investments on file, among them Efficient Energy Technology, Numbat and ESFORIN. The sections above list the sectors and stages attached to that record.
What does Christoph Ostermann invest in?
Listed sectors include Climate and Hardware; listed focus areas include Battery, Clean Energy, Cybersecurity and Energy Storage. 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 Christoph Ostermann invest at?
The known deals of Christoph Ostermann 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.
How do I contact Christoph Ostermann?
An email address and a LinkedIn page are on file for Christoph Ostermann. 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