XU, Tong is a Ph.D. student in the Department of Design + Environmental Analysis, Cornell University. Tong received his M.S. in Environmental Psychology and Human Factors at Cornell University in 2021, and completed AA DLAB London in Digital Fabrication, Robotic Design & Technology in 2019. He worked for the Architectural Design and Research Institute of Tsinghua University (THAD) on generative design, data-driven pre-design study, and post-occupancy evaluation from 2016 to 2018. His research interests include design and development of playful interactions, and evaluation of their effects on cognitive functions, social interaction, and mental health, especially for marginalized populations such as children with Autism Spectrum Disorder and elders with Mild Cognitive Impairment.