Dejun Yang, IEEE Student Member, received his B.S. from Peking University, Beijing, in 2007. Currently he is a Ph.D. candidate in the School of Computing, Informatics, and Decision Systems Engineering at Arizona State University. His research interests include economic and optimization approaches to networks, crowdsourcing, smart grid, big data and cloud computing. He has received several best paper awards at IEEE conferences, and was runner-up at another.