He has over forty years of experience in teaching, consulting and research on optimization under resource constraints with numerous refereed publications. He has visited Yale University 1985-19867 and been an associate editor of Naval Research Logistics international journal for a period of ten years in the area of mathematical programming and production scheduling. He has published in Management Science, Mathematics of Operations Research, SIAM Journal on Applied Mathematics, SIAM Journal on Optimization and Control, Journal of Mathematical Analysis and Applications, Naval Research Logistics, and other journals.