The coolest and most powerful people over 40 in Silicon Valley

REUTERS/Robert Galbraith

Oracle's Executive Chairman of the Board and Chief Technology Officer Larry Ellison works behind a computer during his keynote address at Oracle OpenWorld in San Francisco, California September 30, 2014.

Silicon Valley is known for its obsession with youth. Facebook's Mark Zuckerberg once suggested that people over 30 shouldn't really work in tech startups because "young people are just smarter."

These folks are bucking the trend.

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Pulled from our recently published Silicon Valley 100 list, meet the elder statesmen and stateswomen of Silicon Valley.