An operator angel based in Mannheim, Baden-Württemberg, Germany, Marcus Ruebsam has 2 known investments: Mobius Labs and Field 33.
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Investment focus
Contacts
Marcus Ruebsam portfolio companies (2)
- Mobius Labs
- Field 33
Investor Profile
Stage-wise, the known deals cluster around Seed and Series A rounds.
The portfolio and focus above give founders context on whether Marcus Ruebsam matches their raise.
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Frequently asked questions
Who is Marcus Ruebsam?
Marcus Ruebsam is an operator angel based in Mannheim, Baden-Württemberg, Germany with 2 known investments on file, among them Mobius Labs and Field 33. The sections above list the stages attached to that record.
What stage does Marcus Ruebsam invest at?
The known deals of Marcus Ruebsam 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 Marcus Ruebsam?
A LinkedIn page is on file for Marcus Ruebsam. 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 6 September 2026 · How this data is built · Report a correction or request removal