John Serafini
Venture Partner at Shield Capital
United States
John Serafini, Venture Partner at Shield Capital is an active investor based in United States. This profile covers what John Serafini backs, at which stage, and how founders can reach out in 2026.
John Serafini is a Venture Partner at Shield Capital and the Founder & CEO of HawkEye 360, an early-stage defense technology investor focused on space and signals intelligence.
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- CybersecurityArtificial IntelligenceSpace & AerospaceGovTech & Defense
- Location
- United States
- Typical check
- $500K
How to reach John Serafini
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About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does John Serafini invest in?
John Serafini invests in Cybersecurity, Artificial Intelligence, Space & Aerospace and GovTech & Defense, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Serafini invest at?
John Serafini typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Serafini's typical check size?
John Serafini typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact John Serafini?
Unlock John Serafini's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.