Dr. Athanasios Chassiakos is a Professor and the Director of the Project, Infrastructure, and City Management Laboratory in the Civil Engineering Department at the University of Patras. He holds a Civil Engineering Diploma from the National Technical University of Athens and MSc and PhD degrees from the University of Minnesota, USA. His main research and academic interests are in the areas of construction project management; BIM and Digital Twin technologies for modelling structures, infrastructures and cities; resilient, sustainable, and smart infrastructures; energy end-use efficiency and energy services; life-cycle cost analysis and management of transportation projects; and optimization in engineering problems. He is the author of books, articles in scientific journals and conference proceedings. He has participated in national and European projects as a project coordinator or as a researcher and has been a consultant in public agencies and private companies in the fields of transportation and project management. He has received awards for his doctoral thesis and published work.