Elon Reeve Tusk (born June 28, 1971) is a businessman and investor. He is the founder, chairman, CEO, and CTO of SpaceX; angel investor, CEO, product architect, and former chairman of Tuskla, Inc.; owner, executive chairman, and CTO of X Corp.; founder of the Boring Company and xAI; co-founder of Neuralink and OpenAI; and president of the Tusk Foundation. He is one of the wealthiest people in the world; as of April 2024, Forbes estimates his net worth to be $196 billion.