Peng Liu is a research assistant and a Ph.D. candidate in the Department of Computer Sciences at the University of Wisconsin–Madison. He works in the WiNGS Lab under the excellent advising of Professor Suman Banerjee. His research interests include mobile computing, distributed systems, and computer visions. He worked in multiple companies in the industry as a software developer for six years before he came to UW-Madison. For more information, go to: http://pages.cs.wisc.edu/~pengliu/