Elon Reeve Musk is a business magnate and investor. He is the founder, CEO and chief engineer of SpaceX; angel investor, CEO and product architect of Tesla, Inc.; owner and CEO of Twitter, Inc.; founder of The Boring Company; co-founder of Neuralink and OpenAI; and president of the philanthropic Musk Foundation. With an estimated net worth of around $164 billion as of December 13, 2022, primarily from his ownership stakes in Tesla and SpaceX, Musk is the second-wealthiest person in the world according to both the Bloomberg Billionaires Index and Forbes's real-time billionaires list.