10/19/2012 09:21 am ET Updated Dec 19, 2012

13 Powerful Women Running Today's Biggest Startups

Some very powerful women sit behind many of today's most promising new companies.

They've worked their way up the corporate ladder and are running companies that are worth hundreds of millions of dollars, from Eventbrite to SpaceX.

Meet the inspiring women leading today's biggest startups to success.

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