Sarah Xu, Venture Partner at KCY Family Office LLC is an active investor based in New York, New York. This profile covers what Sarah Xu backs, at which stage, and how founders can reach out in 2026.
Sarah Xu is a Venture Partner at KCY Family Office LLC, leading investments in AI and Clean Energy Technologies, and a Partner at Silverbear Capital.
Sarah Xu invests in Artificial Intelligence, Climate & Energy, Space & Aerospace and Crypto & Web3, typically at Seed, Series A, Early Stage Venture and Late Stage Venture.
- Location
- New York, New York
- Typical check
- $750K
What does Sarah Xu invest in?
- Investor type
- Family OfficeVC
Where is Sarah Xu based?
Sarah Xu is based in New York, New York.
- Browse more startup investors near Sarah Xu:
- Startup investors in New York CityStartup investors in the United States
How to reach Sarah Xu
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About this profile
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Round Funded. "Sarah Xu." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sarah-xu
Frequently Asked Questions
Who is Sarah Xu?
Sarah Xu, Venture Partner at KCY Family Office LLC is an active investor based in New York, New York. Sarah Xu invests in Artificial Intelligence, Climate & Energy, Space & Aerospace and Crypto & Web3, typically at Seed, Series A, Early Stage Venture and Late Stage Venture.
What does Sarah Xu invest in?
Sarah Xu invests in Artificial Intelligence, Climate & Energy, Space & Aerospace and Crypto & Web3, typically at Seed, Series A, Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sarah Xu invest at?
Sarah Xu typically invests at Seed, Series A, Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Sarah Xu's typical check size?
Sarah Xu typically writes checks around $750K. Use it as a signal for whether your raise fits their stage.
Where is Sarah Xu based?
Sarah Xu is based in New York, New York.
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.
Investor lists that match Sarah Xu's profile
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