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Biography
Marc Lowell Andreessen is an American businessman, venture capitalist, and former software engineer. He is the co-author of Mosaic, the first web browser to display inline images; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm Andreessen Horowitz. He co-founded and later sold the software company Opsware to Hewlett-Packard; he also co-founded Ning, a company that provides a platform for social networking websites. In 2024, he became an advisor to Donald Trump. As of June 2026, Forbes estimated Andreessen's net worth at $1.9 billion.
Career Roles
co-founder
Netscape
Ning
Key Achievements
- 1971 — Marc Lowell Andreessen ( an-DREE-sən; born July 9, 1971) is an American businessman, venture capitalist, and former software engineer.
- 2026 — As of June 2026, Forbes estimated Andreessen's net worth at $1.9 billion.
- 1993 — In December 1993, Andreessen received his bachelor's degree in computer science from the University of Illinois at Urbana–Champaign (UIUC).
- 1992 — After being shown the graphic web browser ViolaWWW in late 1992, Andreessen and full-time salaried co-worker Eric Bina worked on creating a browser with integrated graphics that could be ported to ...
- 1993 — The result was the Mosaic web browser released in 1993.
Frequently Asked Questions
Who is Marc Andreessen?
Marc Lowell Andreessen is an American businessman, venture capitalist, and former software engineer. He is the co-author of Mosaic, the first web browser to display inline images; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm An. Marc Andreessen is known for American businessman.
What is Marc Andreessen known for?
Marc Andreessen is primarily known for American businessman. They have expertise in Bitcoin, NFT, blockchain.
What is Marc Andreessen's background?
Marc Andreessen is a American professional in the digital assets industry. They are associated with Andreessen Horowitz.
What companies is Marc Andreessen associated with?
Marc Andreessen is associated with Andreessen Horowitz, among other blockchain and crypto ventures.
What is Marc Andreessen doing now?
For the latest updates on Marc Andreessen, check our news section where we aggregate coverage of their recent activities, statements, and involvement in the crypto industry.