Gwynne Shotwell

Elon Musk may be the public face of SpaceX, but it’s Shotwell who calls the shots day-to-day. SpaceX has become the most accomplished player in a growing world of commercial rocket ventures; the startup has already launched cargo payloads and astronauts for NASA. Its valuation, too, has skyrocketed: SpaceX was recently valued at $74 billion, making it one of the world’s most prized “unicorns.”

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