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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 lies at the intersection of Child–Computer Interaction, Design, and the Learning Sciences, and is driven by a commitment to fostering meaningful engagement and inclusivity in technology design and use for young people and beyond. I explore how social and cultural contexts shape children's interactions with technology and design tools, and I create media and environments that support their experiences across diverse settings, particularly in learning contexts. Additionally, I engage in broader discussions in Human–Computer Interaction and Design by examining research and design methodologies, exploring designerly ways of knowing, and investigating how emerging technologies can support new forms of interaction.

Before joining PolyU Design, I served as a temporary research faculty member in the Department of Information Science at the University of Colorado Boulder. I was also a research intern at the Berkman Klein Center for Internet and Society at Harvard University. I received my Ph.D. in Information Science from the University of Colorado Boulder as a member of the Creative Communities research group, supervised by Prof. Ricarose Roque. 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

Designerly Ways of Knowing

Investigating design approaches as research methods

Selected Publications [Google Scholar]

Participatory Design Revisited: Framings, Key Features, and Its Boundary with Co-Design [In Press]
Junnan Yu
CoDesign

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.