Alejandro Pérez received his degree in Audiovisual Systems of Telecommunications Engineering from UEM (Universidad Europea de Madrid), Spain, in 2014. He joined the CEIT-IK4 Research Centre in San Sebastián in 2018, and he is currently a transfer engineer in the Electronic Systems and Communications group. His research activity lies in the field of positioning, electronic, communications and software development, dedicating most of his time involved in various projects, such as AIOSAT (Autonomous Indoor Outdoor Safety Tracking system), within the H2020 framework promoted by the European Union for the implementation and development of the European Galileo positioning system, STARPORTS, development of a platform for real-time monitoring of maritime and SIA infrastructures, and monitoring for predictive maintenance of trains and railway infrastructures.