Matthew Cantieri, Angel investor in San Francisco is an active investor based in San Francisco, United States. This profile covers what Matthew Cantieri backs, at which stage, and how founders can reach out in 2026.
Matthew Cantieri is the Co-Founder & CEO of Ambit Labs and Managing Partner at Three Sigma Capital, with investments in crypto and AI projects.
Matthew Cantieri invests in Fintech, Artificial Intelligence and Crypto & Web3, typically at Seed and Series A.
- Investor type
- AngelVC
- Stages
- SeedSeries A
- Invests in
- FintechArtificial IntelligenceCrypto & Web3
- Location
- San Francisco, United States
- Typical check
- $625K
How to reach Matthew Cantieri
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About this profile
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Cite this page
Round Funded. "Matthew Cantieri." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/matthew-cantieri
Frequently Asked Questions
Who is Matthew Cantieri?
Matthew Cantieri, Angel investor in San Francisco is an active investor based in San Francisco, United States. Matthew Cantieri invests in Fintech, Artificial Intelligence and Crypto & Web3, typically at Seed and Series A.
What does Matthew Cantieri invest in?
Matthew Cantieri invests in Fintech, Artificial Intelligence and Crypto & Web3, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Matthew Cantieri invest at?
Matthew Cantieri typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Matthew Cantieri's typical check size?
Matthew Cantieri typically writes checks around $625K. 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.