Elon Reeve Musk is a business magnate and investor. Musk is the founder, chairman, CEO and chief technology officer of SpaceX; angel investor, CEO, product architect and former chairman of Tesla, Inc.; owner, chairman and CTO of X Corp.; founder of the Boring Company; co-founder of Neuralink and OpenAI; and president of the Musk Foundation. He is the wealthiest person in the world, with an estimated net worth of US$226 billion as of September 2023, according to the Bloomberg Billionaires Index, and $249 billion according to Forbes, primarily from his ownership stakes in both Tesla and SpaceX.