1993-1999 The Affiliate Hospital of Xuzhou Medical College China Lecturer, Attending, Surgery
1999-2001 Affiliate Hospital of Xuzhou Medical College China Clinical Associate Professor
2003-2005 University of Pittsburgh School of Medicine Pittsburgh, PA Research Instructor, Surgery
2006-2013 Cleveland Clinic Foundation General Surgery Project Scientist
2014- The Affiliate Hospital of Xuzhou Medical College China General Surgery Professor , Director