08/2004 - : Associate Professor, Department of Software Engineering, Monmouth University, West Long Branch, New Jersey.

	01/2001- 08/2004: Scientific Staff Member, Nortel Networks, Richardson, Texas.
	08/1997 - 08/2000: Senior Research Associate, Center for Advanced Distributed System Engineering, School of Computer Science, Florida International University, Miami, Florida.
	12/1993 - 07/1997 Associate Professor, School of Information Science, Nanjing University of Science and Technology, Nanjing, China
	09/1991 - 11/1993: Assistant Professor, School of Information Science, Nanjing University of Science and Technology, Nanjing, China