"Athletics prepared me for this," he says in his office. "I haven't encountered any situation in business that even comes close to the pressure and stress you experience at the Olympics. I've been through the refiner's fire."
Welcome to the second half of Marsh's life. Now 54, Marsh is co-founder and executive vice president of MonaVie, a wildly successful multilevel marketing company that sells a health juice consisting largely of an exotic berry from South America.
