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Marc Andreessen

Marc Andreessen
Andreessen in 2013
Born
Marc Lowell Andreessen

(1971-07-09) July 9, 1971 (age 53)
EducationUniversity of Illinois at Urbana–Champaign (BS)
Occupations
Known for
Spouse
(m. 2006)
Children1[1]
RelativesJohn Arrillaga (father-in-law)
Websitea16z.com/author/marc-andreessen

Marc Lowell Andreessen (/ænˈdriːsən/ AN-dree-sen; born July 9, 1971) is an American businessman and former software engineer. He is the co-author of Mosaic, the first widely used web browser with a graphical user interface; 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. He is an inductee in the World Wide Web Hall of Fame. Andreessen's net worth is estimated at $1.9 billion as of January 2025.

  1. ^ Tad Friend (May 18, 2015). "TOMORROW'S ADVANCE MAN – Marc Andreessen's plan to win the future".

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