Stephen Haller
Angel investor in Switzerland
Switzerland
Stephen Haller, Angel investor in Switzerland is an active investor based in Switzerland. This profile covers what Stephen Haller backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Location
- Switzerland
- Typical check
- $150K
- Past investments
- 4
Notable investments
How to reach Stephen Haller
Angels and operators like Stephen Haller 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 Stephen Haller
Frequently Asked Questions
Who is Stephen Haller?
Stephen Haller is an active investor, Angel investor in Switzerland. Round Funded tracks their focus and activity alongside thousands of investors.
What stage does Stephen Haller invest at?
Stephen Haller typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Stephen Haller's typical check size?
Stephen Haller typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Stephen Haller?
Unlock Stephen Haller's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.