Isabelle Zhou, Angel investor in San Francisco is an active investor based in San Francisco, California. This profile covers what Isabelle Zhou backs, at which stage, and how founders can reach out in 2026.
Isabelle Zhou is a Research PM at OpenAI and an angel investor in various startups.
Isabelle Zhou invests in Artificial Intelligence, typically at Seed and Early Stage Venture.
- Investor type
- Angel
- Stages
- SeedEarly Stage Venture
- Invests in
- Artificial Intelligence
- Location
- San Francisco, California
- Typical check
- $375K
How to reach Isabelle Zhou
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Round Funded. "Isabelle Zhou." Round Funded investor database, updated November 2, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/isabelle-zhou
Frequently Asked Questions
Who is Isabelle Zhou?
Isabelle Zhou, Angel investor in San Francisco is an active investor based in San Francisco, California. Isabelle Zhou invests in Artificial Intelligence, typically at Seed and Early Stage Venture.
What does Isabelle Zhou invest in?
Isabelle Zhou invests in Artificial Intelligence, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Isabelle Zhou invest at?
Isabelle Zhou typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Isabelle Zhou's typical check size?
Isabelle Zhou typically writes checks around $375K. 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.