[08 rank - not ranked]
Simon Sproule joined Microsoft as its top communicator earlier this year. Key issues include the release of a new version of Windows, the search tool, Bing, and updates and new synergies between many of its marquee consumer products, such as Xbox and the Zune. With all of these changes, Sproule has a unique opportunity to help the tech giant craft a new story, one with the potential to revamp Microsoft's image as an innovator. In addition, Sproule ultimately holds the fate of the company's numerous agencies under him, adding to his power.