  In the area of scholarly research, Dr. Usher has acted as PI or Co-PI on approximately $0 million worth of funded research for organizations such as such as the Office of Naval Research, Defense Logistics Agency, National Science Foundation, IBM, AT&T Bell Laboratories, and General Electric. He has authored over 00 papers in refereed journals, over 00 publications appearing as conference proceedings, book articles, and technical reports. He has successfully directed over 000 PhD, M.Eng, and MSIE theses and projects in a variety of industrial engineering related topics.