The billionaire founder of LinkedIn was one of Facebook's early investors -- and he watched CEO Mark Zuckerberg overcome 'the most spectacular adaptation curve'

Jacqui Ipp LinkedIn founder Reid Hoffman was one of the first investors in Facebook. At the time, Zuckerberg was painfully awkward. Hoffman said that Zuckerberg's desire to adapt and stick to his vision account for his evolution into a highly capable and sharp CEO. Facebook cofounder and CEO Mark Zuckerberg is the confident leader of a massively influential global company with a roughly $517 billion market capitalization, but 13 years ago he was a painfully awkward 20-year-old college dropout wi...