Changyo Han received his Ph.D. in Information Science and Technology from the University of Tokyo, Japan, in 2020. He was a research fellow at the Japan Society for the Promotion of Science (JSPS) and currently serves as a project lecturer in the Interfaculty Initiative in Information Studies at the University of Tokyo. His research interests include human-computer interaction, digital fabrication, and ubiquitous computing. He is a member of the Association for Computing Machinery (ACM).