Tyson Hartman is chief technology officer at Avanade, a global business technology services provider.

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He was then an entrepreneur, a founder of Business Signatures and founding chief technology officer of Webvan Group, both of which were sold.

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"There are only a small number of customers for antipiracy, and they pay 80 cents of every dollar for lawyers, 20 cents for technology, " says Kozel, who joined Cisco in 1989 as its first head of business development and rose to chief technology officer before quitting, exhausted, in 2001.

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