John Martinson
Managing Partner at Edison Ventures
Trenton, New Jersey
John Martinson, Managing Partner at Edison Ventures 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
- Consumer & RetailIoT & Connected Devices
- 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 Consumer & Retail and IoT & Connected Devices, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Martinson invest at?
John Martinson typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is John Martinson's typical check size?
John Martinson typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact John Martinson?
Unlock John Martinson's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.