John Martinson
Managing Partner
Trenton, New Jersey
John Martinson, Managing Partner is an active investor based in Trenton, New Jersey. This profile covers what John Martinson backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelInvestor
- Stages
- Pre SeedSeed
- Invests in
- FintechConsumer & RetailEdTech
- Location
- Trenton, New Jersey
- Typical check
- $150K
- Past investments
- 3
Notable investments
How to reach John Martinson
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Frequently Asked Questions
What does John Martinson invest in?
John Martinson invests in Fintech, Consumer & Retail and EdTech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
How do I contact John Martinson?
Unlock John Martinson's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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