John Weiss

Active Investor

Founder & CEO at HUMAN

Boulder, Colorado

John Weiss, Founder & CEO at HUMAN 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

WE CommunicationsNetwealthClever.lyWebMDSMITH

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.

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.