Marc Andreessen, 23, is Vice President of Technology and co-founder of Netscape Communications Corporation in Mountain View, California. Marc founded the company in April 1994 with Dr. James Clark, founder of Silicon Graphics, Inc., As an undergraduate at the University of Illinois, Marc created the NCSA Mosaic' research prototype for the Internet with a team of students and staff at the university's National Center for Supercomputing Applications (NCSA). NCSA Mosaic in just over one year gained an estimated two million users worldwide.

In his role at Netscape Communications, Marc sets and oversees the technical direction of the company. In December 1994, Netscape Communications released its first open software products, Netsite server software -- including the Netsite Commerce Server, the first secure server for the Web -- and Netscape Navigator client software. Today, Netscape Navigator accounts for more than 65 percent of browser usage on the Web, according to statistics from popular World Wide Web sites.

Marc was named in 1994 as one of the top 50 people under the age of 40 by Time Magazine, and was named "Man of the Year" by MicroTimes Magazine. Netscape Communications was selected as one of the "Hot Companies in 1995" by Information Week Magazine.