David Lacalle Castillo is a Big Data & Machine Learning Engineer currently employed at Inditex since September 2022 and also serves as the City Leader of La Rioja for Spain AI since April 2023. Previously, David held roles as a Big Data & Machine Learning Engineer at Nunegal Consulting and as a Senior Consultant at SDG Group Iberia, where expertise included file search engine development and machine learning platforms on Kubernetes. Academic experience includes research at the University of La Rioja, focusing on deep learning architectures for brain tumor segmentation, and an internship in the Mathematics and Computing Department, contributing to web application development. David holds an Engineering degree in Computer Engineering from Universidad de La Rioja, completed in 2020.