Department of Computer Science, Aarhus University, Aarhus, Denmark.

Ken Pfeuffer is a researcher, designer, and professor in future user interfaces at Aarhus University, where he is leading the Extended Interaction group that specializes in Human-Computer Interaction (HCI) and Spatial Computing for Extended Reality (XR). He has published over 75 scientific papers and received awards at ACM CHI, UIST, and SUI, including the ACM SIGCHI Special Recognition Award (2025). He is affiliated with the AI Danish Pioneer Center and COGAIN and is regularly in program committees for HCI and XR research conferences and journals. He earned his PhD from Lancaster University (UK), completed a postdoc at Bundeswehr University (Germany), and interned at Microsoft and Google Research US. He has pioneered interaction paradigms such as Gaze+Pinch and Direct-Indirect gestures, shaping 3D interfaces in emerging spatial computing technology.

Department of Computing, Xi'an Jiaotong-Liverpool University, Suzhou, Jiangsu, China.

Dr. Yue Li is an Associate Professor at the Department of Computing, Xi’an Jiaotong-Liverpool University, where she leads the Heritage, Edutainment, and Reality Laboratory ([HER Lab](https://hiherlab.github.io/)). She graduated from the University of Nottingham and was honored with the Postgraduate Award in 2020, prior to which she interned at IBM and NVIDIA. Dr. Li’s research interests lie in the field of Human-Computer Interaction (HCI), with particular emphasis on Extended Reality (XR) technologies. She has been actively involved in research related to the design, evaluation, and application of Virtual Reality (VR) and Augmented Reality (AR) in cultural heritage and education. Her work is published in esteemed international journals and conferences, including IEEE TVCG, ACM ToCHI, IJHCI, IEEE VR, IEEE ISMAR, ACM CHI, and ACM CSCW. Dr Li has received several prestigious research grants, including the Young Scientist Programme of the National Natural Science Foundation of China (NSFC), the Industry-University Collaborative Education Program of the Ministry of Education, and the General Programme of the Natural Science Foundation of the Jiangsu Higher Education Institutions of China. Additionally, she was selected for the Jiangsu "Mass Innovation and Entrepreneurship" (Shuangchuang) Doctoral Programme and honored as a Suzhou Key Talent in Science and Education. She serves as the China Country Representative at the IFIP Technical Committee on Human-Computer Interaction (TC13) and is a member of Asia SIGCHI Committee (ASC).

Computer Science, University of Bath, Bath, UK.

Prof. Jason Alexander is a Professor of Human-Computer Interaction at the University of Bath, United Kingdom. He leads the HCI research group and is Co-Director of the Centre for Spatial Intelligence. His research focuses on novel interaction techniques, haptic and shape-changing interfaces, human-robot interaction, and immersive technologies that bridge physical and digital experiences. He has made significant contributions to the fields of Human-Computer Interaction, shape-changing interfaces, data physicalization, and interactive systems, publishing extensively in leading international conferences and journals.