Isotilia Costa Melo, PhD, is an Assistant Professor at the Universidad Católica del Norte (UCN), Escuela de Ingeniería de Coquimbo (EIC), Chile. She has a PhD in Industrial Engineering at the University of São Paulo (USP) (2021), focused on measuring the performance of e-commerce operations. In terms of applications, her main interests are digital transformation, e-commerce, retailing, small and medium enterprises (SMEs), decision-support systems, and performance measurement. In methodological terms, her main interests are Data Envelopment Analysis (DEA), Multi-Criteria Decision Methods (MCDM), and Machine Learning.