José L. Hernández received his Telecommunication Engineer's Degree in 2008 and the MEng in the Electronics and Communications program in 2010, both from the University of Valladolid, Spain. He has been working in CARTIF since 2010, where he mainly develops activities related to RTD in European Projects and has published several scientific papers. His career is focused on digitalization and ICT (Information and Communication Technologies) for energy efficiency. In particular, he has expertise in sensor networks, IoT communication protocols, database technologies, data management, monitoring, and control/decision-making systems. Additionally, he has worked in interoperability by means of middleware and Urban City Platforms, as well as BIM-based (Building Information Modelling) interoperability, including data models. Finally, he has implemented Building Energy Management Systems and Big-Data analytics and technologies focused on energy efficiency.