Elon Reeve Musk FRS (/ˈiːlɒn/; born June 28, 1971) is a technology entrepreneur, investor, and engineer. He holds South African, Canadian, and U. S. citizenship and is the founder, CEO, and chief engineer/designer of SpaceX; co-founder, CEO, and product architect of Tesla, Inc. ; co-founder of Neuralink; founder of The Boring Company; co-founder and initial co-chairman of OpenAI; and co-founder of PayPal. In December 2016, he was ranked 21st on the Forbes list of The World's Most Powerful People. He has a net worth of $19. 4 billion and is listed by Forbes as the 40th-richest person in the world.