Gregory Geehan
Co-Founder & Managing Partner at Social Impact Partners | Global Brain Health Initiative
Boston, Massachusetts
Gregory Geehan, Co-Founder & Managing Partner at Social Impact Partners | Global Brain Health Initiative is an active investor based in Boston, Massachusetts. This profile covers what Gregory Geehan backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEOperatorFounder
- Stages
- Pre SeedSeed
- Invests in
- Artificial IntelligenceHealthcare & BiotechClimate & EnergyManufacturing & IndustrialSaaS & Enterprise
- Location
- Boston, Massachusetts
- Typical check
- $150K
- Past investments
- 5
Notable investments
How to reach Gregory Geehan
Angels and operators like Gregory Geehan 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 Gregory Geehan
Frequently Asked Questions
What does Gregory Geehan invest in?
Gregory Geehan invests in Artificial Intelligence, Healthcare & Biotech, Climate & Energy and Manufacturing & Industrial, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Gregory Geehan invest at?
Gregory Geehan typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Gregory Geehan's typical check size?
Gregory Geehan typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Gregory Geehan?
Unlock Gregory Geehan's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.