Alex Choy
Angel investor in San Francisco
San Francisco, California
Alex Choy, Angel investor in San Francisco is an active investor based in San Francisco, California. This profile covers what Alex Choy backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEVenture DebtInvestment Bank
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- FintechSaaS & EnterpriseMarketing & AdTechClimate & Energy
- Location
- San Francisco, California
- Typical check
- $1M
- Past investments
- 6
Notable investments
SVB Financial Group
MomentFeedRearden CommerceClean Wave TechnologiesHow to reach Alex Choy
Angels and operators like Alex Choy 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. "Alex Choy." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/alex-choy
Frequently Asked Questions
What does Alex Choy invest in?
Alex Choy invests in Fintech, SaaS & Enterprise, Marketing & AdTech and Climate & Energy, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Alex Choy invest at?
Alex Choy typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Alex Choy's typical check size?
Alex Choy typically writes checks around $1M. 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.