Gyehyon J., Angel investor in San Francisco is an active investor based in San Francisco, United States. This profile covers what Gyehyon J. backs, at which stage, and how founders can reach out in 2026.
Gyehyon J. is a former CFO and venture capitalist turned applied data scientist, with experience in financial strategy, GTM execution, and investing in Bio, Art, and AI sectors.
Gyehyon J. invests in Artificial Intelligence, Biotech & Pharma and Robotics & Automation, typically at Seed and Series A.
- Location
- San Francisco, United States
- Typical check
- $625K
What does Gyehyon J. invest in?
- Investor type
- AngelVC
- Invests in
- Artificial IntelligenceBiotech & PharmaRobotics & Automation
Where is Gyehyon J. based?
Gyehyon J. is based in San Francisco, United States.
- Browse more startup investors near Gyehyon J.:
- Startup investors in San FranciscoStartup investors in the United States
How to reach Gyehyon J.
Angels and operators like Gyehyon J. reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Gyehyon J.." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/gyehyon-j
Frequently Asked Questions
Who is Gyehyon J.?
Gyehyon J., Angel investor in San Francisco is an active investor based in San Francisco, United States. Gyehyon J. invests in Artificial Intelligence, Biotech & Pharma and Robotics & Automation, typically at Seed and Series A.
What does Gyehyon J. invest in?
Gyehyon J. invests in Artificial Intelligence, Biotech & Pharma and Robotics & Automation, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Gyehyon J. invest at?
Gyehyon J. typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Gyehyon J.'s typical check size?
Gyehyon J. typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
Where is Gyehyon J. based?
Gyehyon J. is based in San Francisco, United States.
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.
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