William Xie, Partner at HAX is an active investor based in United States. This profile covers what William Xie backs, at which stage, and how founders can reach out in 2026.
William Xie is a Partner at HAX/SOSV, focusing on Deep Tech Venture Capital.
William Xie invests in Hardware & Deep Tech, typically at Early Stage Venture.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Hardware & Deep Tech
- Location
- United States
- Typical check
- $500K
How to reach William Xie
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Round Funded. "William Xie." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/william-xie
Frequently Asked Questions
Who is William Xie?
William Xie, Partner at HAX is an active investor based in United States. William Xie invests in Hardware & Deep Tech, typically at Early Stage Venture.
What does William Xie invest in?
William Xie invests in Hardware & Deep Tech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does William Xie invest at?
William Xie typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is William Xie's typical check size?
William Xie 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.