- Founder, CEO, Space Exploration Technologies Corp.
- Age: 42
- Source of Wealth: Tesla Motors, self-made
- Residence: Los Angeles, CA
- Country of Citizenship: United States
- Education: Bachelor of Arts / Science, University of Pennsylvania
- Marital Status: Separated
- Children: 5
Elon Musk's fortune more than doubled in a year, thanks to investors' passion for his shoot-for-the-moon inventions. Shares of Tesla, his electric car company, and solar panel installer SolarCity have both surged.
NASA is using his privately held SpaceX to resupply the International Space Station. Musk proposed his latest big idea in August: a "hyperloop" to carry people from San Francisco to Los Angeles in 35 minutes. Born in South Africa; by age 12 he sold code to a space game for about $500. Musk left for the U.S. at 17 and his made first fortune as a PayPal cofounder.