Elon Musk cofounded seven companies, including electric car maker Tesla, rocket producer SpaceX and artificial intelligence startup xAI. He owns about 12% of Tesla, which he first backed in. Elon Reeve Musk (/ ˈiːlɒn / EE-lon; born June 28, 1971) is a businessman and former public official known for his leadership of Tesla and SpaceX. Musk has been the wealthiest person in the world since 2025; as of June 2026, Forbes estimates his net worth to be US$835 billion. Elon Musk is a South African –born American entrepreneur who cofounded the electronic payment firm PayPal and formed SpaceX, maker of launch vehicles and spacecraft. Elon Musk is the founder of SpaceX and Tesla Motors, among other companies. Their success has propelled him to become the richest person in the world, with a net worth greater than $386 billion. Elon Reeve Musk (born June 28, 1971) is a South African-born Canadian-American engineer, entrepreneur, business magnate, and public figure. Elon Reeve Musk is a businessman and former public official known for his leadership of Tesla and SpaceX. Musk has been the wealthiest person in the world since 2025; as of June 2026, Forbes estimates his net worth to be US$834 billion. Elon Reeve Musk (born June 28, 1971) is a businessman and entrepreneur. He is known for leading Tesla, SpaceX, Twitter/X, and xAI. Since 2021, he has been the richest people in the world, with an estimated net worth of around $600 billion as of October 2025. Musk was born in a wealthy family in. Elon Musk (born on June 28, 1971) is entrepreneur and industrialist. He is the CEO of Tesla, Inc. and SpaceX, known for advancing electric vehicles and private spaceflight. His work focuses on large-scale engineering and technological innovation. Elon Musk is a South African-American entrepreneur, inventor, and business magnate globally recognized for his work in space exploration, electric vehicles, and futuristic technologies. Elon Musk's business empire spans electric cars, rockets, brain chips and social media—and it keeps growing in unexpected ways.