An angel investor and operator angel based in Klosterneuburg, Lower Austria, Austria, Stefan Kalteis has 4 known investments: CheckYeti, Fraud0, Yolda and Swelly.
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Investment focus
Contacts
Stefan Kalteis portfolio companies (4)
- CheckYeti
- Fraud0
- Yolda
- Swelly
Investor Profile
Founders in the listed sectors Commerce, SaaS and Travel, and focus areas Data Analytics, Logistics and Transportation will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether Stefan Kalteis matches their raise.
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Frequently asked questions
Who is Stefan Kalteis?
Stefan Kalteis is an angel investor and operator angel based in Klosterneuburg, Lower Austria, Austria with 4 known investments on file, among them CheckYeti, Fraud0 and Yolda. The sections above list the sectors and stages attached to that record.
What does Stefan Kalteis invest in?
Listed sectors include Commerce, SaaS and Travel; listed focus areas include Data Analytics, Logistics and Transportation. 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 Stefan Kalteis invest at?
The known deals of Stefan Kalteis include Pre-Seed and Seed 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 Stefan Kalteis?
An email address and a LinkedIn page are on file for Stefan Kalteis. 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