Harry Ma, Angel Investor at Sand Hill Angels is an active investor based in Seattle, Washington. This profile covers what Harry Ma backs, at which stage, and how founders can reach out in 2026.
Harry Ma is an angel investor specializing in early-stage startups in AI, blockchain, and medtech, providing funding and guidance.
Harry Ma invests in Artificial Intelligence, Crypto & Web3 and MedTech & Medical Devices, typically at Seed and Series A.
- Firm
- Sand Hill Angels
- Investor type
- Angel
- Stages
- SeedSeries A
- Invests in
- Artificial IntelligenceCrypto & Web3MedTech & Medical Devices
- Location
- Seattle, Washington
- Typical check
- $625K
How to reach Harry Ma
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About this profile
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Cite this page
Round Funded. "Harry Ma." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/harry-ma
Frequently Asked Questions
Who is Harry Ma?
Harry Ma, Angel Investor at Sand Hill Angels is an active investor based in Seattle, Washington. Harry Ma invests in Artificial Intelligence, Crypto & Web3 and MedTech & Medical Devices, typically at Seed and Series A.
What does Harry Ma invest in?
Harry Ma invests in Artificial Intelligence, Crypto & Web3 and MedTech & Medical Devices, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Harry Ma invest at?
Harry Ma typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Harry Ma's typical check size?
Harry Ma 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.