Marc Andreessen

Mr. Marc Andreessen is a co-founder and chairman of Ning and an investor in several startups including Digg, Plazes, and Twitter. He is an active member of the blogging community. Previously, Andreessen developed Mosaic and co-founded Netscape. Mosaic was developed at National Center for Supercomputing Applications, on which Andreessen was the team-leader. Andreessen co-founded what later became Netscape Communications, the company that developed one of the world's first commercial Internet browsers, based on technology he co-developed, the ‘Netscape Navigator’. Netscape Navigator was the most popular web browser for most of the 90’s, only to be overtaken by Microsoft’s Internet Explorer browser, which was based on NCSA Mosaic. Andreessen also served as chairman of Opsware and Chief Technology Officer of AOL after AOL acquired Netscape.