John Weiss
Angel investor in Boulder
Boulder, Colorado
John Weiss, Angel investor in Boulder is an active investor based in Boulder, Colorado. This profile covers what John Weiss backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Seed
- Invests in
- FintechHealthcare & BiotechSaaS & EnterpriseConsumer & RetailMedia & ContentMarketing & AdTechSocial & Community
- Location
- Boulder, Colorado
- Typical check
- $250K
- Past investments
- 5
Notable investments
How to reach John Weiss
Angels and operators like John Weiss 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 John Weiss
Frequently Asked Questions
What does John Weiss invest in?
John Weiss invests in Fintech, Healthcare & Biotech, SaaS & Enterprise and Consumer & Retail, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Weiss invest at?
John Weiss typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is John Weiss's typical check size?
John Weiss typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact John Weiss?
Unlock John Weiss's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.