Elon Reeve Musk (born June 28, 1971) is a South African-born American entrepreneur and businessman. He is known for his leadership in electric vehicle manufacturing (Tesla), space exploration (SpaceX), social media (X, formerly Twitter), and artificial intelligence (xAI). As of February 2026, Musk's estimated net worth is around US$852 billion, making him the wealthiest person in the world since 2025.
Musk is the CEO and product architect of Tesla, founder, CEO, and chief engineer of SpaceX, and founder and CEO of xAI. He also founded The Boring Company and X Corp. Recent news indicates that SpaceX is shifting its focus to building a "self-growing city" on the moon within the next 10 years, while still intending to work towards a city on Mars in the future. In February 2026, Musk pledged to cover the legal costs for survivors of Jeffrey Epstein who face lawsuits after speaking about their experiences. He also served as Senior Advisor to President Donald Trump and de facto head of the Department of Government Efficiency (DOGE) between January and May 2025. SpaceX's acquisition of xAI, which Musk also leads, values SpaceX at $1 trillion and xAI at $250 billion.