Roberto Ribeiro (Ph.D.) is an Associate Professor at the Department of Computer Science, at the Polytechnic University of Leiria, Portugal. He received his Ph.D. degree in Informatics from the University of Trás-os-Montes and Alto Douro, Portugal, in 2021, focusing on Human-Computer Interaction. As a researcher at the Computer Science and Communications Research Centre of the Polytechnic University of Leiria, he is involved in funded R&D projects and is the author of several journal and conference papers in the areas of Human-Computer Interaction, Augmented and Virtual Reality, Digital Twins, IoT, Unmanned Vehicles, Games User Research, Serious Games and Applied Games. He participated as a Journal Guest Editor and also contributes to the revision of articles for international journals and conferences. He supervised and been juri member of several undergraduate and master's projects and dissertations. As a professor, he lectures on Game Programming using Unreal Engine and Unity, Multimedia Interaction Techniques and Games UX, Multiplatform Game Development, Games for Mobile Devices, for which he is responsible. He is also a member of the Eurographics Portuguese Chapter.