He received his B.S. and Ph.D. degrees in computer science and engineering from Pohang University of Science and Technology (POSTECH), Korea, in 2007 and 2014, respectively. Before joining DGIST, he was a postdoctoral researcher at Inria / Ecole Normale Superieure in Paris, France, and a member of WILLOW project team. He has been working on various topics in the areas of computer vision and machine learning. He is primarily interested in problems related to video understanding such as object detection, tracking, and human behavior analysis. He is also interested in deep learning, structured prediction, and weakly supervised learning.