Prof. Onwualu was a Graduate Assistant in 1983 at UNN, and rose through the ranks to Professor in 1999. He was Head, Agricultural Engineering Department, UNN (2000-2003), Director, Engineering Infrastructure, National Agency for Science and Engineering Infrastructure, NASENI, Abuja (2003-2005) and Director General, Raw Materials Research and Development Council (RMRDC), Abuja (2005-2013). He was a Visiting Professor at the National Universities Commission, Abuja and currently Coordinator, Materials Science and Engineering Programme, African University of Science and Technology (AUST), Abuja. He was a Consultant to National Centre for Agricultural Mechanization (NCAM), Ilorin, Food and Agricultural Organization (FAO), United Nations Industrial Development Organisation (UNIDO), United Nations Development Programme (UNDP), Petroleum Trust Fund (PTF), etc. He was Coordinator, Science Technology and Innovation (STI) thematic group of Vision 20-2020, Chairman, Committee of Directors of Research Institutes of Nigeria (CODRI) (2010-2013) and Chairman, Steering Committee, Pan African Competitiveness Forum (PACF), Nigeria Chapter (2008-2013) and Focal Point (Africa), World Association of Industrial and Technological Research Organisations (WAITRO) 2010-2013.A professional Agricultural Engineer (COREN Reg), Prof. Onwualu’s main areas of specialization are: Agricultural Power and Machinery; Engineering Properties of Biomaterials; Processing of Agricultural and Food products; Technology, Innovation, Competitiveness and Industrial Clusters and Renewable Energy Systems Applications. He is also an expert in soil-machine dynamics where he developed a novel research facility – a Computer Controlled Soil Bin Test Facility for analysis of forces and power requirements of tillage tools and traction devices. He developed computer based numerical models for soil-machine dynamics. Other industrial projects completed under his supervision include design and development of planters, weeders, fertilizer spreaders, sprayers and machines for processing cassava, rice, maize, potato, fruits, soya bean, cashew, ginger, biofuel, dryers, essential oil, wood seasoning kiln, shea butter, Moringa Olifera, vegetable oil, salt, talc, kaolin, gemstones, granite and other minerals. Some of the results of these projects are currently being used by SMEs for commercial production. He is the initiator and former Coordinator of the Ward Based Cluster Project of the Federal Ministry of Science and Technology. The Project is aimed at using the Triple Helix Concept to drive Competitiveness in SMEs through the establishment of Innovation Based Clusters in every ward in Nigeria. He has to his credit 200 scientific publications including 20 books. He was Editor-in-Chief (2003-2014) of Nigeria Journal of Agricultural Engineering and Technology, published by the Nigerian Institution of Agricultural Engineers (NIAE).Professor Onwualu received the Federal Merit Award, (1978-1982), the Engr. (Prof.) E. U. Odigboh prize for the first student of Agricultural Engineering to get a First Class Honours and Canadian International Development Agency (CIDA) PhD grant. Over 60 organizations have recognized him with awards including: Presidential merit award, Nigerian Society of Engineers (NSE); Individual Honours Award, Nigeria Society of Engineers, Abuja branch; Award of Excellence by Nigeria Institute of Physics, Most Distinguished Agricultural Engineer of the Year by NIAE and Professional Service Award by Rotary Club of Gwarimpa. Under his leadership, RMRDC won the National Productivity Order of Merit Award in 2009 and Most Outstanding Public Institution in Service Delivery, 2012 by an Independent Monitoring Group. He is a Fellow of 12 professional bodies, including, Polymer Institute of Nigeria, Agricultural Society of Nigeria, Materials Science and Technology Society of Nigeria, Nigerian Society of Engineers, Nigeria Academy of Engineering, Nigerian Institute of Management and Nigeria Academy of Science. He is married to Mrs. Blessing Onwualu and they have four children, Zimuzor, Chimobi, Chimdalu and Onyedika.. Currently, he doubles as the head of Material Science and Engineering Department and Academic Director at African University of Science and Technology (AUST), Abuja Nigeria.