Dr. Georgios Giannopoulos is the Head of the Space, Connectivity, and Economic Security Unit and Deputy Director of the Societal Resilience and Security Directorate at the Joint Research Centre (DG JRC) of the European Commission. He holds a degree in Mechanical and Aeronautical Engineering, a PhD in Engineering from Vrije Universiteit Brussel and the Royal Military Academy of Belgium, and a Management degree from Solvay Brussels School of Economics and Management. His areas of expertise and research involve security-related topics such as critical infrastructure risk and resilience, CBRNE, Hybrid Threats, Positioning, Navigation, and Timing with a focus on Galileo, 5G applications, Satellite Communications and analysis of critical technologies through the Observatory of Critical Technologies (OCT). This research is aimed at providing scientific advice for policy-making to promote the European Union's Economic Security and Technological Sovereignty. Dr. Giannopoulos has authored over 50 scientific publications and book chapters and has trained officials in several European countries to enhance the protection of their technological systems and critical infrastructures including countering Hybrid Threats.