Sunny Yau, Principal at MANSUI VENTURES LLC is an active investor based in Jersey City, New Jersey. This profile covers what Sunny Yau backs, at which stage, and how founders can reach out in 2026.
Principal and founder of MANSUI Ventures LLC.
Sunny Yau invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed and Series A.
- Investor type
- VC
- Stages
- SeedSeries A
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- Jersey City, New Jersey
- Typical check
- $625K
How to reach Sunny Yau
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Cite this page
Round Funded. "Sunny Yau." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sunny-yau
Frequently Asked Questions
Who is Sunny Yau?
Sunny Yau, Principal at MANSUI VENTURES LLC is an active investor based in Jersey City, New Jersey. Sunny Yau invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed and Series A.
What does Sunny Yau invest in?
Sunny Yau invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sunny Yau invest at?
Sunny Yau typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Sunny Yau's typical check size?
Sunny Yau typically writes checks around $625K. 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.