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  • Age
    39
  • Title
    Co-founder and CEO
  • Company
    Fitbit

James Park is a man who knows how to stay calm under pressure, a trait he originally planned to parlay into a medical career. Instead, his tranquil demeanor has helped guide Fitbit to the forefront of the wearable industry, selling 4.5 million units and pulling in more than $400 million in revenue in its first quarter as a public company. Fitbit’s products are embroiled in competition with companies large (Apple) and small (Jawbone), but Park remains unperturbed. Markets are confident, too: Fitbit’s stock has climbed in the wake of its June IPO; its market cap is currently sitting just below $8 billion, making Park’s healthy stake worth nearly $700 million.

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