Yahoo Inc. (also known simply as Yahoo!, styled as YAHOO!) is an American multinational technology company headquartered in Sunnyvale, California. Yahoo was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. Yahoo was one of the pioneers of the early internet era in the 1990s. Marissa Mayer, a former Google executive, serves as CEO and President of the company.