Brian Costello
Angel investor in Boston
Boston, Massachusetts
Brian Costello, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Brian Costello backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelInvestment Partner
- Stages
- Early Stage VentureSeed
- Invests in
- MarketplaceFood & BeverageMarketing & AdTechEdTech
- Location
- Boston, Massachusetts
- Typical check
- $375K
- Past investments
- 4
Notable investments
ezCater
CRAVE
CrayonAdmitSeeHow to reach Brian Costello
Angels and operators like Brian 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 Brian Costello invest in?
Brian Costello invests in Marketplace, Food & Beverage, Marketing & AdTech and EdTech, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Brian Costello invest at?
Brian Costello typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Brian Costello's typical check size?
Brian Costello typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do I contact Brian Costello?
Unlock Brian Costello's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.