Marc Andreessen

Updated: 09/15/2017 by Computer Hope

Marc AndreessenName: Marc L. Andreessen

Born: July 9, 1971

Computer-related contributions

  • Co-author of NCSA Mosaic, the first widely-used web browser.
  • Co-founder of Netscape Communications Corporation best known for Netscape Navigator, its web browser. Netscape developed the Secure Sockets Layer (SSL) protocol for securing online communication as well as JavaScript, the most widely-used language for client-side scripting of web pages.
  • Founded software company Opsware.
  • Co-founder of Ning, a company that provides a platform for social-networking websites.
  • Sits on the board of directors for Facebook, eBay, and HP.

Honors and awards

  • One of only six inductees in the World Wide Web Hall of Fame.

Related computer pioneers

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