Dr. CO Ujah obtained his BEng and MEng degree (Design and Production) in Mechanical Engineering, University of Nigeria Nsukka and Doctor of Metallurgical Engineering from Tshwane University of Technology, Pretoria, South Africa. He is a certified member of the Council for the Regulation of Engineering in Nigeria (COREN). An author & co-author of numerous scientific publications as well as a reviewer for different journals. His research interest includes powder metallurgy and nanotechnology, additive/advanced manufacturing including laser cladding and spark plasma sintering.