Elon Reeve Musk is a South African born businessman, designer, and engineer with an estimated net worth of $163.9 billion as of March 2021. The businessman is responsible for the creation of Paypal, SpaceX, and Tesla Motors, and is considered a “modern-day Tony Stark” because of his innovative creations and ideas. When he sold his start-up business, Zip2, in his late twenties, he became a multimillionaire, and his wealth has since risen to billions.