Steve Ballmer

Steven Anthony Ballmer also Known as  ''Steve Ballmer  is an American business magnate and investor who served as the chief executive officer of Microsoft from 2000 to 2014. Ballmer was hired by Bill Gates at Microsoft in 1980, and subsequently left the MBA program at Stanford University’s. He eventually became president in 1998, and replaced Gates as CEO on January 13, 2000. On February 4, 2014, Ballmer retired as CEO and was replaced by Satya Nadella; Ballmer remained on Microsoft's Board of Directors until August 19, 2014, when he left to prepare for teaching a new class.''