Javier Martín Arista has been a professor of Old English and linguistics at the University of La Rioja since 1996. He has been a visiting researcher at the universities of Sheffield, Pennsylvania, New York, Amsterdam, Toronto, York, and Oxford and has been invited to lecture at several European and American universities. His research spans theoretical work, focusing on functional and construction grammars; diachronic studies, centered on the semantics, syntax, morphology, and lexicology of Old English; and applied research, aimed at developing a knowledge base using corpus linguistics and at applying NLP techniques to Old English. Since 2005, Javier Martín Arista has been the principal investigator of the Nerthus Project, which has received funding from seven competitive project calls. The project has produced nearly one hundred articles and book chapters on the linguistic analysis of Old English using database and NLP techniques and has published an online knowledge base and descriptive results, contributing to twenty completed doctoral dissertations. Currently, Javier Martín Arista serves as the director of the Digital Language Economy and Artificial Intelligence Division of the Transformation Plan of La Rioja.