Pierre Zweigenbaum, PhD, FACMI, FIAHSI, is a Senior Researcher at LISN (Orsay, France), a laboratory of the French National Research Council (CNRS) and Université Paris-Saclay, where he led the ILES Natural Language Processing group for seven years. Before CNRS he was a researcher at Paris Public Hospitals and a part-time professor at the National Institute for Oriental Languages and Civilizations. His research focus is Natural Language Processing, with medicine as a main application domain. His research interests are in Information Extraction in multilingual settings, and he is the author or co-author of methods and tools to detect various types of medical entities, expand abbreviations, resolve co-references, detect relations. He has also designed methods to acquire linguistic knowledge automatically from corpora and thesauri, to help extend monolingual and bilingual lexicons and terminologies, using parallel and comparable corpora. He graduated from École Polytechnique and Télécom Paris, holds a PhD in Computer Science from Télécom Paris (1985) and an habilitation in Computer Science from Université Paris-Nord.