Claude Vogel is considered to be one of the world's leading authorities on linguistic analysis and categorization, and is Convera's Chief Technical Officer. In this role, he is broadening the core indexing, categorization and dynamic classification capabilities of Convera's RetrievalWare search, retrieval and categorization technology and other vertical market solutions. Prior to joining Convera, Dr Vogel was the founder and former Chief Technology Officer of Semio Corporation. He has a background in Anthropology, Semiotics and Artificial Intelligence (PhD Social Anthropology, 1976, PhD Cultural Anthropology, 1992, Ecole des Hautes Etudes en Sciences Sociales, Paris). He is an Associate Professor of Computational Semiotics at the University of Montreal and the University of Albuquerque, and a member of honour of the French Association for Artificial Intelligence. Dr Vogel engages in ongoing research and has published more than 70 pieces, including nine books on the subjects of software engineering, cognitive design, social organizations, and semiotics.