8/96 - Present	Associate Professor, Department of Civil Engineering, Kansas State University.
	8/91 - 7/96	Assistant Professor, Department of Civil Engineering, Kansas State University
	1/90 - 7/91	Research Assistant Professor, Department of Civil Eng., University of Pittsburgh.
	9/89 - 12/89	Research Assistant, Contract DTFH-86-R-00036, Civil Eng. Dept., University of Pittsburgh.
	9/88 - 8/89	Pre-doctoral Fellow, Grant No. DTFH-61-88-P-40012,  Project conducted at FHWA Research Center in McLean, Virginia.
	5/87 - 8/88	Research Assistant, Contract DTFH-86-R-00036, Civil Engineering Department,  University of Pittsburgh.
	9/86 - 4/87	Teaching Assistant, Civil Engineering Dept., University of Pittsburgh.
	9/84 - 8/86	Teaching Assistant, Dept. of Maths. and Statistics, University of Pittsburgh.
	4/82 - 6/83	Teaching Fellow: Structures, Civil Eng. Dept., Military Technical College, Egypt.
	9/81 - 3/82 7/83 - 8/84	Instructor/Teaching Assistant, Structural Analysis & Mechanics, Cairo University, Giza, Egypt.