Steven Paul “Steve” Jobs (February 24, 1955 – October 5, 2011) was an American entrepreneur, marketer,and inventor, who was the co-founder, chairman, and CEO of Apple Inc.
Mark Elliot Zuckerberg (born May 14, 1984) is an American computer programmer, Internet entrepreneur, and philanthropist.He is best known as one of five co-founders of the social networking website Facebook. As of April 2013, Zuckerberg is the chairman and chief executive of Facebook, Inc. and his personal wealth, as of April 2014, is estimated to be $25.3 billion. Mark Zuckerberg receives a one-dollar salary as CEO of Facebook.
Lawrence "Larry" Page (born March 26, 1973) is an American business magnate and computer scientist who is the co-founder of Google, alongside Sergey Brin. On April 4, 2011, Page succeeded Eric Schmidt as the chief executive officer of Google. As of 2014, Page's personal wealth is estimated to be US$32.3 billion, ranking him #19 on the Forbes list of billionaires.
Sergey Mikhaylovich Brin (born August 21, 1973) is an American Business magnate and computer scientist who, with Larry Page, co-founded Google, one of the most profitable Internet companies. As of 2014, his personal wealth was estimated to be US$ 28.9 billion. Together, Brin and Page own about 16 percent of the company.
Evan Clark Williams (born March 31, 1972) is an American internet entrepreneur who has founded several Internet companies. Two of the internet's top ten websites have been created by Williams's companies: Blogger, a weblog-authoring software of Pyra Labs – and Twitter, where he was previously Chairman, and CEO.