Elon Reeve Musk (/ˈiːlɒn ˈmʌsk/; born June 28, 1971) is a South African-born Canadian-American business magnate, engineer, inventor and investor. He is the CEO and CTO of SpaceX, CEO and product architect of Tesla Motors, and chairman of SolarCity.He is the founder of SpaceX and a co-founder of Zip2, PayPal, and Tesla Motors. He has also envisioned a conceptual high-speed transportation system known as the Hyperloop and has proposed a VTOL supersonic jet aircraft with electric fan propulsion.