Dr. Charlie Jianzhong Zhang is a VP and head of Standards and Mobility Innovation Lab, where he leads research and standards for 5G cellular systems and next generation multimedia networks. He received his Ph.D. degree from University of Wisconsin, Madison.  From August 2009 to August 2013, he served as the Vice Chairman of the 3GPP RAN1 working group and led development of LTE and LTE-Advanced technologies such as 3D channel modeling, UL-MIMO and CoMP, Carrier Aggregation for TD-LTE, etc. Before joining Samsung, he was with Motorola from 2006 to 2007 working on 3GPP HSPA standards, and with Nokia Research Center from 2001 to 2006 working on IEEE 802.16e (WiMAX) standard and EDGE/CDMA receiver algorithms. Charlie is a Fellow of IEEE.