Prior to KAIST, he worked as a postdoctoral researcher at Yale University. He received his PhD in computer science from University College London (UCL) in 2010, with a focus on color reproduction in computer graphics. In addition to serving on many conference program committees, he has been an associate editor of ACM Transactions on Graphics (TOG), ACM Transactions on Applied Perception (TAP), and Elsevier Computers and Graphics (CAG). His research interests include computational imaging, such as computational photography, 3D imaging, and hyperspectral imaging, in addition to color and visual perception.