Sean Kelly is an author, lecturer, software engineer and international business consultant who has founded a number of separate businesses in the field of customer intelligence and information exploitation. Sean was formerly head of the European business intelligence division of Sybase Inc. and was a founder of the prestigious Data Warehouse network. His groundbreaking book Data Warehousing: The route to mass customization, published by Wiley in the early 1990s, was a major influence on the tide of business intelligence investment that occurred in the following decade. Sean is now involved in a new enterprise, based in Ireland, that is devoted to customer segmentation and profiling solutions.