John Leonard
Angel investor in Cambridge
Cambridge, Massachusetts
John Leonard, Angel investor in Cambridge is an active investor based in Cambridge, Massachusetts. This profile covers what John Leonard backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Artificial IntelligenceHealthcare & BiotechBiotech & PharmaSaaS & EnterpriseClimate & EnergyDeveloper Tools & DataHardware & Deep TechIoT & Connected Devices
- Location
- Cambridge, Massachusetts
- Typical check
- $150K
- Past investments
- 6
Notable investments
IQVIAChimerix, Inc.
IFM TherapeuticsHow to reach John Leonard
Angels and operators like John Leonard 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 Leonard
Frequently Asked Questions
What does John Leonard invest in?
John Leonard invests in Artificial Intelligence, Healthcare & Biotech, Biotech & Pharma and SaaS & Enterprise, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Leonard invest at?
John Leonard typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is John Leonard's typical check size?
John Leonard typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact John Leonard?
Unlock John Leonard's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.