Mr. Georgios Titakis, a PhD student supervised by Prof. Ioannis Papamichail and Prof. Iasson Karafyllis (National Technical University of Athens), member of DSSL and contributor to TrafficFluid, accomplished successfully his PhD thesis defense on 15 September 2025. The jury comprised 2 external members (Prof. Iasson Karafyllis – National Technical University of Athens, Assoc. Prof. Claudio Roncoli – KU Leuven), as well as Profs. Markos Papageorgiou, Ioannis Papamichail, Argyris Delis, Ioannis Nikolos and George Arampatzis. The PhD thesis is entitled " Macroscopic models describing lane-free movement of automated vehicles". We congratulate Dr. Titakis on this achievement!