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- Satya Nadella became only the third CEO of Microsoft almost a decade ago.
- The ex-engineer reformed corporate culture and has driven growth with innovation and partnerships.
- Microsoft is worth more than $3 trillion but is still behind Apple's valuation.
When Satya Nadella took over as Microsoft CEO on February 4, 2014, the company was struggling.
Windows 8 had been a disaster. Microsoft employees were constantly battling behind the scenes for supremacy. And all the while, consumers and developers alike were losing faith in the company cofounded by Bill Gates.
How times have changed.