Marketing Michael Phelps

11:40 AM ET Wed, 1 Aug 2012

Peter Carlisle, managing director of Olympics and action sport at Octagon and Michael Phelps's agent, told CNBC, "Everything is easier with Michael, it is hard to keep up with sometimes and it is very rewarding because it is new and creative, you can do things that haven't been done before with Michael and I think that has been a special experience from a marketing standpoint,"