Sean Flannagan
Principal & Founder at Hearth
Boston, Massachusetts
Sean Flannagan, Principal & Founder at Hearth is an active investor based in Boston, Massachusetts. This profile covers what Sean Flannagan backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechSaaS & EnterpriseConsumer & RetailE-commerce & D2CMarketplace
- Location
- Boston, Massachusetts
- Typical check
- $150K
- Past investments
- 1
Notable investments
How to reach Sean Flannagan
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Connect with Sean Flannagan
Frequently Asked Questions
What does Sean Flannagan invest in?
Sean Flannagan invests in Healthcare & Biotech, SaaS & Enterprise, Consumer & Retail and E-commerce & D2C, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sean Flannagan invest at?
Sean Flannagan typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Sean Flannagan's typical check size?
Sean Flannagan typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Sean Flannagan?
Unlock Sean Flannagan's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.