Tarek Najm is a Technical Fellow working in the Search, Portal and Advertising Division at Microsoft. Najm’s current areas of focus include Web Semantics, Data Mining and Knowledge Engineering. Najm founded and led worldwide development of Microsoft adCenter Advertising Platform, PubCenter Platform for Publishers, microsoft adCenter Labs, Audience Intelligence for Data mining and Data Warehousing. Najm holds several patents in system design, advertising algorithms and data management.