Gary Sullivan
Angel investor in Boston
Boston, Massachusetts
Gary Sullivan, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Gary Sullivan backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Seed
- Invests in
- Marketplace
- Location
- Boston, Massachusetts
- Typical check
- $250K
- Past investments
- 1
Notable investments
How to reach Gary Sullivan
Angels and operators like Gary Sullivan 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 Gary Sullivan
Frequently Asked Questions
What does Gary Sullivan invest in?
Gary Sullivan invests in Marketplace, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Gary Sullivan invest at?
Gary Sullivan typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Gary Sullivan's typical check size?
Gary Sullivan typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Gary Sullivan?
Unlock Gary Sullivan's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.