Professor,Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, China, September, 2008 to present.

Professor,School of Automation, Wuhan University of Technology, Wuhan, Hubei, China, May, 2005 to August, 2008.

Postdoctoral Research Fellow,Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, July 2005 to September 2006.

Postdoctoral Research Fellow,Department of Automation, University of Science and Technology of China, Hefei, China, August 2003 to May 2005.

Associate Professor,Department of Mathematics, Hubei Normal University, Huangshi, Hubei, China, December 2002 to July 2003.

Instructor,Department of Mathematics,Hubei Normal University, Huangshi, Hubei, China, July 1996 to November 2002.