Trish Costello
Angel investor in San Mateo
San Mateo, California
Trish Costello, Angel investor in San Mateo is an active investor based in San Mateo, California. This profile covers what Trish Costello backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestment PartnerAcceleratorInvestor
- Stages
- Early Stage VentureCrowdfunding
- Invests in
- FintechHealthcare & Biotech
- Location
- San Mateo, California
- Typical check
- $263K
- Past investments
- 3
Notable investments
EverlyWellBabson CollegeKauffman FoundationHow to reach Trish Costello
Angels and operators like Trish 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.
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About this profile
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Cite this page
Round Funded. "Trish Costello." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/trish-costello
Frequently Asked Questions
What does Trish Costello invest in?
Trish Costello invests in Fintech and Healthcare & Biotech, typically at Early Stage Venture and Crowdfunding. Match your sector and stage, then reach out with a personalized pitch.
What stage does Trish Costello invest at?
Trish Costello typically invests at Early Stage Venture and Crowdfunding. Lead with traction that fits the stage when you reach out.
What is Trish Costello's typical check size?
Trish Costello typically writes checks around $263K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.