Description:The Power Player today is Nelson Peltz. The American billionaire businessman has in recent weeks been building up stakes in PepsiCo and Oreo maker Mondelez International, according to a report from Britain's Daily Telegraph. The newspaper is citing sources familiar with the matter, saying that the exact size of Peltz's stakes in the two companies is unclear. Supposedly, he's spent at least $2 billion in a concerted buying spree, in a desire to combine the two snack companies.(1:11)