Umar Muhammad Modibbo is a Lecturer at the Modibbo Adama University of Technology, Yola, Nigeria. He is working currently as a research scholar at the Aligarh Muslim University, Aligarh, India. He obtained his Master of Technology (M.Tech) and Bachelor of Technology (B.Tech) degrees in Operations Research at the Federal University of Technology, Yola, Nigeria (Now the Modibbo Adama University of Technology) in 2016 and 2010 respectively. His research areas include Mathematical Programming and its Applications, Reliability Optimization and Inventory & Supply Chain Management. He is an Associate-Fellow, Institute for Operations Research of Nigerian [INFORN] Membership No. AF18017, a lifetime Member, African Federation of Operations Research Societies [AFROS], International Federation of Operational Research Societies [IFORS] and Operational Research Society of India. He has published more than 15 research articles in journals of national and international repute. He is a reviewer of many journals.