Forbes' World's Most Powerful Women

German Chancellor

2. Janet Yellen

Federal Reserve Chair

3. Melinda Gates

Philanthropist

4. Dilma Rousseff

President of Brazil

5. Christine Lagarde

Managing Director of International Monetary Fund

6. Hillary Clinton

Former Secretary of State

7. Mary Barra

CEO General Motors

8. Michelle Obama

First Lady of the United States

9. Sheryl Sandberg

Chief Operating Officer of Facebook

10. Virginia M. Rometty

Chairwoman and CEO of IBM