The Wall Street Journal has a profile of billionaire Neslon Peltz, currently seeking seats on the board of DuPont, which opens with the hedge fund investor getting Heinz to sponsor Nathan's hot dog eating contest in 2007. It is not clear if the relationship is continuing, Takeru Kobayashi's wikipedia page says it has been terminated. (To read the whole article, go to news.google.com and search for Nelson Peltz)