María Belén Díez-Bedmar is Associate Professor at the University of Jaén and serves as Director of the Centre for Advanced Studies in Modern Languages at Universidad de Jaén. Her main research interests are the study of learner language, the compilation, analysis and exploitation of learner corpora, the use of the CEFR and the CV and the characterization of the language by L1 Spanish adolescents with emotional disorders or at risk of developing them. She is the PI of the project "Making the CEFR/CV more user-friendly: fine-tuning descriptors with Learner Corpus Research (LCR) results", Project PID2020-117041GA-I00 funded by MCIN/AEI/10.13039/501100011033. She has been member of the Learner Corpus Association board for eight years (December 2013- Jan 2022) and is co-chair of the panel "Teaching of languages and curricular design" in the Spanish Association of Applied Linguistics.