Nathalie Aussenac-Gilles is a CNRS senior researcher at IRIT, the laboratory in Computer Science of Université Paul Sabatier in Toulouse, since 1991. She heads the MELODI group (http://www.irit.fr/-Equipe-MELODI- ) jointly with P. Muller and from 2010 to 2019, she coordinated activities at IRIT related to Big Data, AI and Data processing. Her research deals with knowledge engineering (KE) and semantic web technologies, methods and models for ontology engineering and population from text and more recently from data. She contributed to information extraction from text and ontology-based integration of heterogeneous geospatial data. She has been task manager in various French ANR and FUI projects with applications in areas as diverse as archaeology, car diagnosis, cartography, Earth observation or scholar paper analysis. She is an expert for the French ANR program, and member of the CNRS recruitment and evaluation committee. She was involved in the organization or chairing of conferences (EKAW, ESWC, TIA, IC, …) and she belongs to the editorial boards of scientific journals (formerly RevueI3 and IJHCS, currently Applied Ontology). She supervised 17 PhD. theses and published more than 90 papers in Journals, conferences and workshops related to semantic web and knowledge engineering