(b. 1973) holds an MSc in Nuclear Physics and is a European Expert in Health Physics with over 25 years of experience in radiological protection, radioactive waste management, radioecology, and radionuclide transport modelling. Since 2004, he is a researcher at CIEMAT (Spain). He served as Radiation Safety and Monitoring TO at the IAEA (2021–2022) and subsequently as Safety Specialist Consultant for the IAEA. He has participated in major IAEA international projects including EMRAS, INPRO, and MODARIA, chairing working groups on routine releases (MODARIA I and II). He managed the EU project TERRITORIES WG1 on radioecology models and led the NORMIMA research project on NORM for ENRESA. He was Safety Officer for the IFMIF Accelerator Facility and representative for Safety and Environment project for the DEMO fusion plant. He has authored over 30 peer-reviewed articles, more than 30 congress contributions, over 10 book chapters, and contributed to more than 120 technical reports. He lectures in Masters' programmes at CIEMAT, the Polytechnic Universities of Madrid and Barcelona, and NMBU (Norway). He is an active member of the Spanish Society for Radiological Protection (SEPR) and was part of the Spanish delegation to UNSCEAR (2016–2021). Currently he manages the group for the final remediation of CIEMAT.