Jack Costello
Member at Beacon Angels
Cambridge, Massachusetts
Jack Costello, Member at Beacon Angels is an active investor based in Cambridge, Massachusetts. This profile covers what Jack Costello backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestor
- Stages
- Early Stage VenturePre SeedSeed
- Invests in
- SaaS & Enterprise
- Location
- Cambridge, Massachusetts
- Typical check
- $250K
- Past investments
- 3
Notable investments
How to reach Jack Costello
Angels and operators like Jack Costello 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.
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Frequently Asked Questions
What does Jack Costello invest in?
Jack Costello invests in SaaS & Enterprise, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jack Costello invest at?
Jack Costello typically invests at Early Stage Venture, Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Jack Costello's typical check size?
Jack Costello typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Jack Costello?
Unlock Jack Costello's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.