In the following video, Motley Fool financial analyst Matt Koppenheffer takes a question from a Fool reader, who asks, "Is there someone that follows Buffett's principles of investing that is not part of Berkshire Hathaway (NYSE:BRK-A) (NYSE:BRK-B)? Some protege of his that may have gone out on his own, but invests the way he learned from Buffett?"