Joseph Vivona has dedicated his career to helping companies overcome their Information Technology issues by providing timely and accurate advice. He is known in the industry as a knowledgeable source of hardware and software technology and application development methodologies. Joe has worked for a number of companies including Exxon, Tosco (now Philips Conoco), Hyperion Solutions, KPI Technolgies and Indus International. A&J Computers is his third successful start-up company, with the other two being successfully sold to corporations or private equity investors. He is also the co-author of Microsoft Data Warehousing and a recognized expert on Database Technology, CRM, Data Warehouses, OLAP and Business Performance Management.