Tony Liu
Partner at Costanoa Ventures
San Francisco, California
Tony Liu, Partner at Costanoa Ventures is an active investor based in San Francisco, California. This profile covers what Tony Liu backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestment PartnerFinance OperatorInvestor
- Stages
- Early Stage VentureSeedSeries A
- Invests in
- Artificial IntelligenceDeveloper Tools & DataHardware & Deep Tech
- Location
- San Francisco, California
- Typical check
- $500K
- Past investments
- 3
Notable investments
Earthmover
Mem Labs
Sync ComputingHow to reach Tony Liu
Angels and operators like Tony Liu 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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Cite this page
Round Funded. "Tony Liu." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/tony-liu
Frequently Asked Questions
What does Tony Liu invest in?
Tony Liu invests in Artificial Intelligence, Developer Tools & Data and Hardware & Deep Tech, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Tony Liu invest at?
Tony Liu typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Tony Liu's typical check size?
Tony Liu typically writes checks around $500K. 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.