Deji Badiru is Emeritus Professor of Industrial and Systems Engineering. He is a registered Professional Engineer, certi ed Project Management Professional. Additionally, he is a Fellow of the Institute of Industrial & Systems Engineers, Fellow of the Industrial Engineering and Operations Management Society, and Fellow of the Nigerian Academy of Engineering. Deji’s academic credentials include of BS in Industrial Engineering, MS in Mathematics, MS in Industrial Engineering, and Ph.D. in Industrial Engineering. His areas of interest encompass mathematical modeling, systems engineering modeling, computer simulation, and productivity analysis. A proli c author, Deji is a member of several professional associations and scholastic honor societies. He also holds a U.S. Trademark for DEJI Systems Model for Design, Evaluation, Justi cation, and Integration.