Dr Nikolaos Petroulakis is a Research Scientist at the Telecommunications and Network Lab, Institute of Computer Sciences , Foundation for Research and Development - Hellas since 2007. In addition, he is a part-time member of Computer Emergency Response Team of FORTH (FORTHcert) since 2009. He holds a Diploma in Mathematics from the Mathematics Department at the National and Kapodistrian University of Athens, an MSc in “ Digital Communications” from the Department of Engineering and Design , University of Sussex , Brighton, UK and a PhD on Computer Science from School of Mathematics, Computer Science and Engineering, City, University of London , London, UK. His research interests resolve around network security and resource management in the area of IoT and Smart Environments, 5G/6G,) Electromagnetic Field (EMF) Measurements, Data Spaces, Cybersecurity and Privacy preservation, Emergency communications, Wired and wireless networks, Cyber-physical systems, Connected Mobility, Artificial Intelligence (AI) and Machine learning (ML), Health. Within FORTH he has participated in a variety of European and National projects and proposals. I am also interested to contribute the results of my research in different conferences and journal publications. Finally, he is also a member of the IEEE and serve as a reviewer for various academic venues in my areas of expertise involved also in a numerous of conference and summer schools organizations activities..