He received his PhD in Electrical & Computer Engineering from Northwestern University, Evanston in 2004. He was Sr. Staff Researcher/Sr. Manager with Samsung Research America's Multimedia Standards Research Lab in Dallas, 2012-15, Senior Staff Researcher/Group Lead with FutureWei(Huawei)'s Media Lab in Bridgater, NJ, from 2010-12, an Assistant Professor with the Dept of Computing, The Hong Kong Polytechnic University from 2008-2010, and a Principal Staff Research Engineer with the Multimedia Research Lab (MRL), Motorola Labs, Schaumburg, Illinois, from 2000 to 2008.