Marc Andreessen
Marc Andreessen | |
|---|---|
Andreessen in 2013 | |
| Born | Marc Lowell Andreessen July 9, 1971 Cedar Falls, Iowa, U.S. |
| Education | University of Illinois Urbana-Champaign (BS) |
| Occupations | |
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| Spouse | |
| Children | 1 |
| Relatives | John Arrillaga (father-in-law) |
| Website | a16z |
Marc Lowell Andreessen (/ænˈdriːsən/ an-DREE-sən; 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.