Datong joined Northern Light in 2005. He brings with him over 20 years of technical and managerial experience in semiconductors and communication. He is the co-founder and CTO of SpreadTrum Communications Inc. (NASDAQ: SPRD), a China/ Silicon Valley company which develops IC chipset for 2.5G and 3G cellular phone systems. He is also the co-founder of OmniVision Tech (NASDAQ: OVTI), which is a leading provider of SMOS image sensors. Datong worked for National Semiconductor from 1992 to 1995 and holds more than 30 patents. Datong has served as a post-doctoral researcher at the University of Illinois and Stanford University. And he received a BSEE, MSEE and PhD, EE from Tsinghua University.