John Hartner

Active Investor

Founder at Digital Industrialist

West Palm Beach, Florida

John Hartner, Founder at Digital Industrialist is an active investor based in West Palm Beach, Florida. This profile covers what John Hartner backs, at which stage, and how founders can reach out in 2026.

Investor type: Angel
Stages: Pre SeedSeed
Invests in: Healthcare & BiotechSaaS & EnterpriseDeveloper Tools & DataHardware & Deep TechRobotics & AutomationManufacturing & IndustrialGaming & EntertainmentMedia & Content
Location: West Palm Beach, Florida
Typical check: $150K
Past investments: 4

Notable investments

EasyRxDimension Inx3D Cloud HubEnvisionTEC, Inc.

How to reach John Hartner

Angels and operators like John Hartner 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 Hartner invest in?

John Hartner invests in Healthcare & Biotech, SaaS & Enterprise, Developer Tools & Data and Hardware & Deep Tech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.