Elon Musk is a South African-born American entrepreneur and engineer. He is the CEO and CTO of SpaceX, CEO and product architect of Tesla Motors, chairman of SolarCity, and co-chairman of OpenAI. Some of his accomplishments include co-founding PayPal which sold to eBay for $1.5 billion, founding SpaceX which is developing reusable rockets to make spaceflight more affordable, and leading Tesla Motors to produce the first fully electric sports car.