Jamie Sullivan is a Partner at Andreessen Horowitz, whose known portfolio counts 29 companies.
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Investment focus
- Sector
- AIFinTechHealthcareSaaS
Contacts
Affiliated funds' portfolios
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
Jamie Sullivan is listed against sectors AI, FinTech, Healthcare and SaaS, and focus areas Biotech, Crypto, Developer Tools and Enterprise SaaS in the database.
Stage-wise, the deals at Andreessen Horowitz cluster around Growth, Pre-Seed and Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Jamie Sullivan is worth approaching.
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
Frequently asked questions
Who is Jamie Sullivan?
Jamie Sullivan is a venture capital investor based in San Francisco, California, United States, listed as Partner at Andreessen Horowitz. The known portfolio of that firm counts 29 companies. That portfolio belongs to the firm, not to Jamie Sullivan personally.
What does Jamie Sullivan invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include Biotech, Crypto, Developer Tools and Enterprise SaaS. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Jamie Sullivan invest at?
Andreessen Horowitz appears in Growth, Pre-Seed and Seed rounds across its known deals, and Jamie Sullivan is listed there as Partner. 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 Jamie Sullivan listed at?
Jamie Sullivan is listed as Partner at Andreessen Horowitz. 147 other people in the database share a firm with Jamie Sullivan.
How do I contact Jamie Sullivan?
An email address, a phone number and a LinkedIn page are on file for Jamie Sullivan. 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 6 September 2026 · How this data is built · Report a correction or request removal