Marc Sieberger

Investor profile

Marc Sieberger

Angel & Founder & Partner at Freigeist

Germany9known investments

Marc Sieberger is an angel investor based in Germany. The known portfolio counts 9 companies: Mytaxinet, Zahnheld, 42reports, Hole19, Kaufdade, Lilium Aviation, Robot Media, Wunderlist and Zen Shopping.

Is Marc Sieberger a fit for your startup?

Paste your website. AI checks the fit and scores every other investor too.

Investment focus

Contacts

mar***@***.comPhone number on fileLinkedIn profile on fileAvailable after registration.
Get contact

Marc Sieberger portfolio companies (9)

  • Mytaxinet
  • Zahnheld
  • 42reports
  • Hole19
  • Kaufdade
  • Lilium Aviation
  • Robot Media
  • Wunderlist
  • Zen Shopping

Affiliated funds' portfolios

Founder & Partner at Freigeist, whose known portfolio counts 10 companies

  • EnduroSat
  • United Manufacturing Hub
  • Akina
  • Leko Labs
  • Build.One
  • Smartlane
  • Xentral
  • BioThrust
  • Collie
  • PROSION

Investor Profile

The listing covers sectors Climate, Consumer, Hardware and SaaS, and focus areas Biotech, Cloud Infrastructure, Cryptocurrency and Productivity. Startups operating in these areas may find Marc Sieberger relevant.

Reviewing the investment history helps decide whether there is a realistic fit before reaching out.

Colleagues at Freigeist

Similar investors

Showing 20 of 98

Frequently asked questions

Who is Marc Sieberger?

Marc Sieberger is an angel investor based in Germany with 9 known investments on file, among them Mytaxinet, Zahnheld and 42reports. The sections above list the sectors and firms attached to that record.

What does Marc Sieberger invest in?

Listed sectors include Climate, Consumer, Hardware and SaaS; listed focus areas include Biotech, Cloud Infrastructure, Cryptocurrency and Productivity. 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.

Which firm is Marc Sieberger listed at?

Marc Sieberger is listed as Founder & Partner at Freigeist. One other person in the database shares a firm with Marc Sieberger.

How do I contact Marc Sieberger?

An email address, a phone number and a LinkedIn page are on file for Marc Sieberger. The address stays masked on this page and is readable inside RaiseHunt after you create an account.

Skip the browsing. Let AI find your ideal investors in one minute.

Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.

Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal