An angel investor and operator angel based in San Francisco, California, United States, Julie Yoo has 4 known investments: Marley Medical, Season Health, Topography Health and Tomorrow Health.
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Investment focus
- Sector
- AIFinTechHealthcare
Contacts
Julie Yoo portfolio companies (4)
- Marley Medical
- Season Health
- Topography Health
- Tomorrow Health
Affiliated funds' portfolios
General Partner at Andreessen Horowitz, whose known portfolio counts 29 companies
- Flora
- Kalshi
- pillar
- Promise
- SuperGaming
- Voyage
- Sage Haven
- Axis
- Nexxa.ai
- Hex Technologies
- Prepared
- Hedra
- and 17 more
Investor Profile
The known portfolio sits in sectors AI, FinTech and Healthcare, and focus areas Biotech, Cryptocurrency, Data Analytics and Digital Health.
Stage-wise, the known deals cluster around Series A and Series B rounds.
The portfolio and focus above give founders context on whether Julie Yoo matches their raise.
Colleagues at Andreessen Horowitz
Showing 20 of 147
Andrew Chen
General Partner
San Francisco, United States
Adrian Fenty
Special Advisor
Washington, United States
Joe Schmidt IV
Partner
San Francisco, United States
Daniel C. Liem
Scout
San Francisco, United States
Martin Casado
General Partner
San Francisco, United States
Zane Lackey
General Partner
New York, United States
David Ulevitch
General Partner
New York, United States
Steven Sinofsky
Board Partner
Sioux Falls, United States
Daouda Leonard
Scout
Los Angeles, United States
Erik Torenberg
General Partner
San Francisco, United States
Jonathan Lai
General Partner
Menlo Park, United States
Fareed Mosavat
Visiting Partner, a16z speedrun
Berkeley, United States
Jeff Jordan
General Partner
San Francisco, United States
Ali Yahya
General Partner
New York, United States
Marc Petit
Scout Investor
Montreal, Canada
Angela Strange
General Partner
San Francisco, United States
Margit Wennmachers
Operating Partner
Jackson, United States
Rubén Domínguez Ibar
Scout
United States
Alexey Moiseenkov
Scout
Palo Alto, United States
Guido Appenzeller
Partner
Menlo Park, United States
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Frequently asked questions
Who is Julie Yoo?
Julie Yoo is an angel investor and operator angel based in San Francisco, California, United States with 4 known investments on file, among them Marley Medical, Season Health and Topography Health. The sections above list the sectors, stages and firms attached to that record.
What does Julie Yoo invest in?
Listed sectors include AI, FinTech and Healthcare; listed focus areas include Biotech, Cryptocurrency, Data Analytics and Digital Health. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Julie Yoo invest at?
The known deals of Julie Yoo include Series A and Series B rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Julie Yoo listed at?
Julie Yoo is listed as General Partner at Andreessen Horowitz. 147 other people in the database share a firm with Julie Yoo.
How do I contact Julie Yoo?
An email address, a phone number and a LinkedIn page are on file for Julie Yoo. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal