Microsoft has named its third CEO in the companys 38-year history. Satya Nadella succeeds Steve Ballmer and takes over the top job at Microsoft immediately. With former CEO Bill Gates by his side as a technology advisor, Nadella is focusing on mobile and cloud as he prepares to take Microsoft beyond its PC roots. As a 22-year veteran server and enterprise guy, Nadella is well positioned to understand Microsofts challenges and opportunities ahead.