Junfeng Yao, a professor and Vice Dean of School of Informatics, Xiamen University, China. He is born on Feb, 1973, received his Ph.D. in thermal engineering, specialized in Computer Simulation, from the Central South University in China in 2001. He conducted his post-doctoral research work in Tsinghua University in the area of Electrical Simulation and Controlling from Sep, 2001 to Dec 2003. I was a visiting scholar from Aug 2009 to Aug 2010 in Southern Polytechnic State University, Atlanta, GA, USA. I am a visiting scholar from Oct 2016 to Oct 2017 in Electrical Engineering, University of Washington, Seattle, WA, USA.