Unlike a lot of men in her position, Ms Bartz kept her power in perspective. She had groomed a successor at Autodesk and became worried that he might leave if she stuck around too long. So she made way for him and became Autodesk’s chairman. “There is a real difference between managing and leading,” she once said. “Managing winds up being the allocation of resources against tasks. Leadership focuses on people. My definition of a leader is someone who helps people succeed.”

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