Stefan Chalupa
Angel investor in Vienna
Vienna, Austria
Stefan Chalupa, Angel investor in Vienna is an active investor based in Vienna, Austria. This profile covers what Stefan Chalupa backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCInvestment Bank
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- Fintech
- Location
- Vienna, Austria
- Typical check
- $1M
- Past investments
- 2
Notable investments
How to reach Stefan Chalupa
Angels and operators like Stefan Chalupa reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Stefan Chalupa
Frequently Asked Questions
What does Stefan Chalupa invest in?
Stefan Chalupa invests in Fintech, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Stefan Chalupa invest at?
Stefan Chalupa typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Stefan Chalupa's typical check size?
Stefan Chalupa typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact Stefan Chalupa?
Unlock Stefan Chalupa's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.