Elon Reeve Musk FRS (/ˈiːlɒn/; born June 28, 1971) is a businessman and investor known for his key roles in space company SpaceX and automotive company Tesla, Inc. Other involvements include ownership of X Corp., formerly Twitter, and his role in the founding of The Boring Company, xAI, Neuralink and OpenAI. He is one of the wealthiest people in the world; as of July 2024, Forbes estimates his net worth to be US$221 billion.[4