Stefan Tietze is an angel investor and operator angel based in Berlin, Germany with 12 known investments: VYTAL, Heydata, ExpressSteuer, Jus Mundi, Hyperdrives, ABSORA, Superchat, AUTO1 Group, FINDIQ, Lumiform, SEAL Robotics and Visable.
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Investment focus
Contacts
Stefan Tietze portfolio companies (12)
- VYTAL
- Heydata
- ExpressSteuer
- Jus Mundi
- Hyperdrives
- ABSORA
- Superchat
- AUTO1 Group
- FINDIQ
- Lumiform
- SEAL Robotics
- Visable
Affiliated funds' portfolios
Owner and Managing Director at Tietze Capital, whose known portfolio counts 13 companies
- Jutro Medical
- Jus Mundi
- Reebelo
- Sundose
- FINDIQ
- Spacelift
- Bouncy
- Wild
- Bela & Bona
- Breakthrough Health
- Educated
- SuperX
- and 1 more
Investor Profile
The known portfolio sits in sectors AI, Consumer and SaaS, and focus areas B2B SaaS, Legal Tech and Robotics.
Stefan Tietze appears in Pre-Seed, Seed and Series A rounds across the known deals.
The portfolio and focus above give founders context on whether Stefan Tietze matches their raise.
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Frequently asked questions
Who is Stefan Tietze?
Stefan Tietze is an angel investor and operator angel based in Berlin, Germany with 12 known investments on file, among them VYTAL, Heydata and ExpressSteuer. The sections above list the sectors, stages and firms attached to that record.
What does Stefan Tietze invest in?
Listed sectors include AI, Consumer and SaaS; listed focus areas include B2B SaaS, Legal Tech and Robotics. 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 Tietze invest at?
The known deals of Stefan Tietze include Pre-Seed, 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 Stefan Tietze listed at?
Stefan Tietze is listed as Owner and Managing Director at Tietze Capital, whose known portfolio counts 13 companies.
How do I contact Stefan Tietze?
An email address and a LinkedIn page are on file for Stefan Tietze. 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