Li Wang is an assistant professor at National Laboratory for Parallel and Distributed Processing, NUDT. He received his PhD in Computer Science and Engineering from NUDT in 2009. His research interests are operation system, especially file system and networking, as well as compiler optimizations. He started to work on Linux kernel on 2003, his master dissertation 'The design and implementation of TCP Handoff on Linux' was awarded the Hunan Distinguished Master Dissertation Award in 2007. He is a member of Linux Virtual Server (www.linux-vs.org) project. His current projects include optimizations for file system performance, security and snapshot.