In 2002, SpaceX founder Elon Musk poached Gwynne Shotwell as one of his earliest hires at the less-than-a-year-old startup. Twenty-four years later, Shotwell leads the company's day-to-day running as president and chief operating officer and rang the trading bell on the Nasdaq trading floor for the company's blockbuster IPO on Friday. She's also one of the largest individual shareholders in SpaceX, with her stake worth around $2 billion at market close on the stock's debut on Friday. CNBC spoke