He was also extremely successful in some respects, ie he tripled Microsoft's turnover and doubled profits while clearing up the anti-trust mess and operating un

He was also extremely successful in some respects, ie he tripled Microsoft's turnover and doubled profits while clearing up the anti-trust mess and operating under the supervision of the US DoJ for a decade. He also started all the things that are happening now, including Azure, Office 365, Surface, and apps on iOS and Android. Yes, even putting stuff into open source. You could also write a long list of things Ballmer got wrong. However, that's true of all tech CEOs, including the various CEOs of IBM, HP, Dell and Sun, among others.