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Marc Andreessen

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Also known as: Marc Andreessen (AI Investor)

Co-created Mosaic web browser (1993); founded Netscape (sold to AOL for $4.2B); co-founded Andreessen Horowitz managing $90B+ in venture capital; techno-optimist AI advocate opposing safety regulation
Born
1971
Age ~55

Organization Roles1

Needs attention
Leading the Future super PACCurrent
Major Donor
2025 – present

Education

B.S. in Computer Science, University of Illinois at Urbana-Champaign

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Quick Assessment

DimensionAssessment
Primary RoleVenture capitalist, co-founder of Andreessen Horowitz (a16z)
Historical ImpactCo-created Mosaic browser (1993), founded Netscape, pioneered commercial internet
Current InfluenceManaging $90B+ in venture capital, major AI/crypto investor
AI Safety PositionTechno-optimist dismissive of existential risk, opposes alignment-focused slowdowns
Key Works"Why AI Will Save the World" (2023), "Techno-Optimist Manifesto" (2023)
Net Worth$1.9 billion (January 2025)
SourceLink
Official Websitea16z.com
Wikipediaen.wikipedia.org
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