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I am an Assistant Professor in the School of Design at The Hong Kong Polytechnic University, where I direct the Little Design Group. My research sits at the intersection of Child-Computer Interaction, Design, and the Learning Sciences, with a focus on how technologies can support meaningful, equitable, and contextually grounded experiences for young people. Across this work, I examine how social and cultural contexts shape children’s interactions with technologies, and I develop new media, learning environments, and interaction designs that better support children’s participation, creativity, and learning across diverse settings. My work also engages broader questions in Human-Computer Interaction and design research, such as research and design methodologies in HCI (e.g., designerly ways of knowing) and the ways emerging technologies enable new forms of interaction and experience.

Before joining PolyU Design, I held research positions at the University of Colorado Boulder and the Berkman Klein Center for Internet & Society at Harvard University. I received my PhD in Information Science from the University of Colorado Boulder, where I was a member of the Creative Communities research group. I also hold a master’s degree in Design from Shanghai Jiao Tong University and a bachelor’s degree in Industrial Design from Zhejiang University.

Selected Projects

Inclusive Learning Tech Design

Making STEM learning more accessible and equitable for all

Promoting Computational Literacy for Children

Promoting computational thinking AI literacy among young people

Family Joint Media Engagement

Understanding and designing for family joint media engagement

Design Research & Designerly Ways of Knowing

Investigating design approaches as practice and research

Selected Publications [Google Scholar]

Participatory Design Revisited: Framings, Key Features, and Its Boundary with Co-Design [LINK]
Junnan Yu
CoDesign, 1-30.

Participatory Design in Human-Computer Interaction: Cases, Characteristics, and Lessons [LINK; Best Paper Honorable Mention]
Xiang Qi, & Junnan Yu
In Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI '25), Yokohama, Japan.

Exploring Computational Thinking with Physical Play Through Design [LINK]
Junnan Yu, Ronni Hayden & Ricarose Roque
In Proceedings of the 22nd Annual ACM Conference on Interaction Design and Children (IDC '23), Chicago, IL, USA.

Family Negotiation in Joint Media Engagement with Creative Computing [LINK]
Junnan Yu, Sari Widman & Ricarose Roque
In Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI '23), Hamburg, Germany.

Parental Facilitation of Young Children’s Technology-based Learning Experiences from Nondominant Groups During the COVID-19 Pandemic [LINK]
Junnan Yu, Julisa Granados, Ronni Hayden & Ricarose Roque
Proc. ACM Hum.-Comput. Interact. 5, CSCW2, Article 307 (October 2021), 27 pages. (CSCW '21)

A Review of Computational Toys and Kits for Young Children [LINK]
Junnan Yu & Ricarose Roque
International Journal of Child-Computer Interaction, (2019) 21: 17–36.