2003.08—2005.08 Director, Institute of Highway Nondestructive Testing Application Technology, Changsha University of Science and Technology, General Manager of Hunan Huarui Transportation Technology Development Co., Ltd. (enjoy the treatment of deputy division level, In the meantime: 2004.03—2007.04 postdoctoral research in management science and engineering discipline of Central South University) 2005.08—2008.04 Dean and Deputy Secretary of Huagang Transportation Planning and Design Institute of Hunan Province and General Manager of Hunan Huarui Transportation Technology Development Co., Ltd. (director level) 2008.04—2009.07 Research Institute of Transportation Science of Changsha University of Science and Technology, August 20, 20091.09 Director graduate department of Changsha University of Science and Technology concurrently served as Director of Changsha University of Science and Technology Transportation Research Institute and Changsha Urban Transportation Planning Research Institute 201.09-2065433.