Peng Dai is currently a Distinguished Postdoctoral Fellow at the Vector Institute, hosted by Prof. Renjie Liao. He received his Ph.D. degree from the University of Hong Kong under the supervision of Prof. Xiaojuan Qi. He previously worked at Google as a Student Researcher, hosted by Dr. Yinda Zhang, where he focused on immersive video and 4D content generation. His current research interests include world models, 3D/4D vision, and embodied AI. He is open to research discussions and collaboration.