WikiNow lets you discover the news you care about, follow the topics that matter to you and share your favourite stories with your friends.

© WikiNow

Marc Lowell Andreessen is an American entrepreneur, investor, and software engineer. He is the co-author of Mosaic, the first widely used Web browser; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm Andreessen Horowitz. He founded and later sold the software company Opsware to Hewlett-Packard. Andreessen is also a co-founder of Ning, a company that provides a platform for social networking websites. He sits on the board of directors of Facebook, eBay, and Hewlett Packard Enterprise, among others. A frequent keynote speaker and guest at Silicon Valley conferences, Andreessen was one of only six inductees in the World Wide Web Hall of Fame announced at the First International Conference on the World-Wide Web in 1994.

Marc Andreessen.jpg
Andreessen at the Tech Crunch40 conference in 2007
Born Marc Lowell Andreessen
(1971-07-09) July 9, 1971 (age 45)
Cedar Falls, Iowa, United States
Alma mater University of Illinois at Urbana–Champaign
Known for Developer of Mosaic
Founder of Netscape
Founder of Opsware
Founder of Andreessen Horowitz
Net worth Increase US$ 600 Million (est. 2015)
Spouse(s) Laura Arrillaga-Andreessen (m. 2006)
Children John (born in March 2015)

Marc Lowell Andreessen (/ænˈdrsən/ an-DREE-sən; born July 9, 1971) is an American entrepreneur, investor, and software engineer. He is the co-author of Mosaic, the first widely used Web browser; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm Andreessen Horowitz. He founded and later sold the software company Opsware to Hewlett-Packard. Andreessen is also a co-founder of Ning, a company that provides a platform for social networking websites. He sits on the board of directors of Facebook, eBay, and Hewlett Packard Enterprise, among others. A frequent keynote speaker and guest at Silicon Valley conferences, Andreessen was one of only six inductees in the World Wide Web Hall of Fame announced at the First International Conference on the World-Wide Web in 1994.

Marc Andreessen on Big Breakthrough Ideas and Courageous Entrepreneurs

Marc Andreessen, Co-Founder & Partner at Andreessen Horowitz, discusses his philosophy on investing in technical founders and the role of technology in ...

Goals vs Tactics with a16z's Marc Andreessen at Disrupt SF

Matthew Panzarino chats with a16z's Marc Andreessen about matchmaking for businesses, what Twitter reveals about society, and the opportunity landscape of ...

Marc Andreessen on Change, Constraints, and Curiosity

If you want to be successful as a venture capitalist, you need to be ruthlessly open-minded, constantly re-examining your assumptions, shared Andreessen ...

Marc Andreessen: Product Vs. Business

The Business Insider presents Innovation: a series of interviews with today's most innovative business leaders, sponsored by Mercedes-Benz. Marc Andreessen ...

Full interview: Marc Andreessen and Reid Hoffman, Co-Founder of LinkedIn | Code 2017

Marc Andreessen is the co-founder of VC firm Andreessen Horowitz. In the early days of the web, Andreessen co-created Mosaic, the first significant graphical ...

The Future of FinTech: A Venture Capitalist's Perspective Ft. Marc Andreessen and Alex Rampell

The Future of FinTech: A Venture Capitalist's Perspective - Day 1 of the 2019 FinTech Ideas Festival featuring Marc Andreessen and Alex Rampell from ...