Elon Reeve Musk (1971) is a South African-born business magnate, investor, engineer, and inventor. He is the founder, CEO, and co-founder, CEO, and product architect of Tesla Inc. As of February 2017, he has an estimated net worth of 13.9 billion, making him the 94th wealthiest person in the world. In December 2016, Musk was ranked 21st on Forbes list of The World's Most Powerful People.