Warren Edward Buffett is an American investor, industrialist and philanthropist. He is widely regarded as one of the world's most successful investors. He is often referred to as the "legendary investor Warren Buffett" and is the majority shareholder, chairman and CEO of Berkshire Hathaway. He is consistently ranked among the richest people in the world. In 2008, he was named the richest person in the world, and in 2011 he was the third richest person in the world.