Lakshmi Mittal

    Lakshmi Mittal
  • Chairman and CEO, ArcelorMittal
  • Age: 63
  • Source of Wealth: steel, inherited and growing
  • Residence: London, United Kingdom
  • Country of Citizenship: India
  • Education: Bachelor of Arts / Science, St Xavier''s College Calcutta
  • Marital Status: Married
  • Children: 2
                                              Profile
His ArcelorMittal is still the world's biggest steel company, but it is weighed down amid supply glut and heavy debts ($16 billion).

Jim Yong Kim

    Jim Yong Kim
  • President, World Bank
  • Age: 54
  • Country of Citizenship: United States
  • Education: Doctorate, Harvard University; Medical Doctor, Harvard University; Bachelor of Arts / Science, Brown University
  • Marital Status: Married
  • Children: 2
Profile
 As head of the World Bank, Kim handouts more than $30 billion a year and runs developmental programs in more than 100 countries.

Martin Winterkorn

    Martin Winterkorn
  • Chairman, Volkswagen Group
  • Age: 66
  • Residence: Wolfsburg, Germany
  • Country of Citizenship: Germany
  • Company Website
Profile
Winterkorn chairs Volkswagen Group, the German automaker whose brands include Volkswagen, Audi, Bentley and Lamborghini.

Terry Gou

    Terry Gou
  • CEO, Hon Hai Precision
  • Age: 63
  • Source of Wealth: electronics, self-made
  • Residence: Taipei, Taiwan
  • Country of Citizenship: Taiwan
  • Marital Status: Married
  • Children: 3
 Profile

Gou is not only one of Taiwan's richest people but he also runs the world's largest electronics contract manufacturer and a key supplier to Apple.

Elon Musk

    Elon Musk
  • 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
 Profile

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.