Dilma Rousseff

• President, Brazil
• Age: 66
• Residence: Brasilia, Brazil
• Country of Citizenship: Brazil
• Education: Bachelor of Arts / Science, Federal University of Rio Grande do Sul
• Marital Status: Divorced
• Children: 1

                                            Profile

One of the world's most powerful women, Rousseff is more than halfway through her term as president of Brazil, the world's seventh-largest national economy with a GDP of nearly $2.4 trillion.

Timothy Cook

• CEO, Apple
• Age: 53
• Residence: Cupertino, CA
• Country of Citizenship: United States
• Education: Master of Business Administration, Duke University

                                Profile

                Apple is not only the most valuable company in the world but a bigger-than-ever player in design, technology, publishing, Hollywood and music. At Cook's request, his bonus will now be tied to company stock performance.

Francois Hollande

• President, France
• Age: 59
• Residence: Paris, France
• Country of Citizenship: France
• Education: HEC Paris; Ecole Nationale d''Administration
• Marital Status: In Relationship
• Children: 4

        Profile

   France's first Socialist Party president in two decades, Hollande has faced tough financial times leading Europe's No. 2 economy. His approval rating reached a new low of 23% in October following his handling of a highly-publicized deportation case -- the lowest of any French president in 20 years.

Larry Page

• CEO, Google
• Age: 40
• Source of Wealth: Google, self-made
• Residence: Palo Alto, CA
• Country of Citizenship: United States
• Education: Bachelor of Arts / Science, University of Michigan; Master of Science, Stanford University
• Marital Status: Married
• Children: 1

• Profile

    The cofounders of Google still operate as a power duo. Page runs the search giant and has been kept busy this year deflecting accusations that Google supplied the U.S. government with users' data, while Brin helms the futuristic Google X division

Sergey Brin

• Cofounder, Director Of Special Projects, Google
• Age: 40
• Source of Wealth: Google, self-made
• Residence: Los Altos, CA
• Country of Citizenship: United States
• Education: Bachelor of Arts / Science, University of Maryland, College Park; Master of Science, Stanford University
• Marital Status: Separated
• Children: 2                                    Profile 
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• The cofounders of Google still operate as a power duo. Page runs the search giant and has been kept busy this year deflecting accusations that Google supplied the U.S. government with users' data, while Brin helms the futuristic Google X division, developing Glass and driverless cars. Together, the two made over $400 million in charitable donations last year.