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Diane Greene: Her only mistake was working for another tyrant Reports the Register:

[VMware] employees have talked to us about going into meetings with [cofounder Diane] Greene and crawling into their foxholes, hoping to avoid being struck by criticism or worse, a tirade.

These same employees describe Greene as "a hard-driving perfectionist who loves nothing more than to get her way." But despite her flaring temper, VMware cofounder Diane Greene's underlings loved her as the head of their company, especially as her dictatorial management style helped send its stock through the roof. But the stock eventually faltered, and Greene's tempestuous attitude threatened Joe Tucci, CEO of VMware's parent company, EMC. Greene and Tucci never got along, and so when Tucci got the chance, he pushed Greene out of the company. Next: Ex-Jobster CEO Jason Goldberg: Hot head, hot lead (Photo by AP/Risberg)