Donggyu Sim received BSc and MSc degrees in electronic engineering from Sogang University, Korea, in 1993 and 1995, respectively. He also received a Ph.D. degree from the same university in 1999. He was with Hyundai Electronics Co., Ltd. from 1999 to 2000, involved in MPEG-7 standardization. He was a senior research engineer at Varo Vision Co., Ltd working on MPEG-4 wireless applications from 2000 to 2002. He worked for the Image Computing Systems Lab (ICSL) at the University of Washington as a senior research engineer from 2002 to 2005, researching ultrasound image analysis and parametric video coding. Since 2005, he has been with the Department of Computer Engineering at Kwangwoon University, Seoul, Korea. In 2011, he joined Simon Frasier University as a visiting scholar. He was elevated to an IEEE Senior Member in 2004. He is one of the leading inventors for many essential patents licensed to MPEG-LA for the HEVC standard. His current research interests are video coding, video processing, computer vision, and video communication.