The 25 Most Influential Executives of 2009

In only 16 months on the job, he has taken VMware literally into the clouds. VMware is a stronger company thanks to his vision to make VMware a cloud computing powerhouse. Besides that, he has managed to bring together storage giant parent EMC and networking giant Cisco into a partnership with VMware that could forever change the computing landscape. He has technology and business smarts. That spells big trouble for his one-time employer, Microsoft.

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