Marius Haas, Dell's chief of enterprise business, has a complicated goal: Help Dell be a company that businesses depend on for all aspects of technology, Aaron Ricadela writes. Haas says he's optimistic it can be done. "Enterprise-class clients are realizing Dell is a formidable player. In the past we were not in consideration," he said. Ricadela writes that one key to Haas' success will be to focus on enhanced enterprise growth.