Roozbeh Mottaghi is a Research Scientist at AI2. Prior to joining AI2, he was a post-doctoral reseacher at the Computer Science Department at Stanford Univesity. He obtained his PhD in Computer Science in 2013 from University of California, Los Angeles. His research is mainly focused on Computer Vision and Machine Learning. More specifically, he is interested in scene understanding, visual models of physics, and hierarchical representations for objects and scenes.