Allen R. Mushi (PhD) is an Associate Professor in the Department of Mathematics, at Mzumbe University. He holds a B.Sc. (Education) degree with a specialization in Mathematics and Physics, a Master's degree in Management Science, and a PhD in Mathematics specializing in Operations Research. Allen Mushi’s research interest is in Operations Research, especially in Combinatorial Optimization Problems. He has researched and published in the areas of Academic Timetabling, Industrial Scheduling, Multi-Criteria Decision Analysis, Exact and Heuristic Solutions to Complex Optimization problems, Municipal Solid Waste Management Systems Optimization, Agricultural Irrigation Systems Optimization, OR applications in Supermarkets and Hospital systems, and recently on Fuzzy Logic in Multi-Criteria Decision Analysis. He has been teaching both undergraduate and postgraduate students in Operations Research since his employment.