Dr. Alﬁo Gliozzo is part of the algorithms team developing Watson and the Deep QA architecture. His main research focus is Natural Language Processing, and in particular Textual Entailment, Latent Semantic Analysis and Domain Adaptation of Question Answering systems. Before joining IBM, Dr. Alfio Gliozzo worked as a researcher for 10 years in both academic research and semantic technology industry. He is author of 40+ scientiﬁc publications in the areas of Computational Linguistics, Information Retrieval, and Semantic Web. He achieved a signiﬁcant track record in delivering competitive Semantic Technology systems by conducting state-of-the-art applied research and successful coordination of R&D teams. His solutions and technologies have been applied to develop production level systems for Semantic Advertising, Multimedia Retrieval, and Text/Term Categorization.