Stefan Weller, Venture investor in frankfurt am main is an active investor based in frankfurt am main, Germany. This profile covers what Stefan Weller backs, at which stage, and how founders can reach out in 2026.
Stefan Weller invests in SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VCPE
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseFintech
- Location
- frankfurt am main, Germany
- Typical check
- $3.8M
How to reach Stefan Weller
Angels and operators like Stefan Weller 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.
Reach active investors like this one
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Stefan Weller." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/stefan-weller
Frequently Asked Questions
Who is Stefan Weller?
Stefan Weller, Venture investor in frankfurt am main is an active investor based in frankfurt am main, Germany. Stefan Weller invests in SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture.
What does Stefan Weller invest in?
Stefan Weller invests in SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Stefan Weller invest at?
Stefan Weller typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Stefan Weller's typical check size?
Stefan Weller typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.