Below is the The annual Fortune MPW interview with the world’s most successful investor - Warren Buffett, Chairman and CEO, Berkshire Hathaway. The interview was done by Carol Loomis of Fortune.

Buffett is called the "Wizard of Omaha" or "Oracle of Omaha", or the "Sage of Omaha" and is noted for his adherence to value investing and for his personal frugality despite his immense wealth.

Warren Edward Buffett is an American business magnate, investor and philanthropist. He was the most successful investor of the 20th century. Buffett is the chairman, CEO and largest shareholder of Berkshire Hathaway, and consistently ranked among the world's wealthiest people.