Gregorio Berselli is a Ph.D. student in Physics at the University of Bologna, currently a Visiting Student Research Collaborator with the Complex Infrastructure Systems (CIS) Group in the Department of Civil and Environmental Engineering at Princeton University. His research focuses on the development of models for the prediction and control of complex urban systems, with an emphasis on human mobility modeling, traffic congestion forecasting, and Digital Twins. He conducts his research at the City Science Lab in Bologna under the supervision of Prof. Armando Bazzani and Prof. Mirko Degli Esposti, in collaboration with INFN Bologna.