Born on 27th April 1959, in Oba, Idemili South, Anambra State. He had his primary education in three different schools: St. Johnâ€™s primary School; Oba, St. Georgeâ€™s Primary School Oraifite both in Anambra state and St.Theresaâ€™s primary school, Abakaliki, Ebonyi State between 1967 to 1972. Secondary education was at Merchants of Light school, Oba from 1973 to 1977 where he obtained the West Africa School Certificate in Division One. From there he proceeded to University of Nigeria, Nsukka, and graduated with first class Honours in Agricultural Engineering in 1982, winning the Engr. E.U.Odigbohâ€™s prize for the first student to graduate first class in Agricultural Engineering. This earned him an immediate employment as a Graduate Assistant in 1983. He later obtained the M.Eng. and PhD degrees in Agriculture Engineering from University of Nigeria, Nnsukka and Technical University of Nova Scotia, Halifax, Canada (now Dalhousie University) under a scholarship by the Canadian International Development Agency (CIDA) in 1986 and 1991 respectively.
Prof. Onwualu returned to the University of Nigeria as a lecturer 1 and became a senior lecturer in 1994 and rose to the rank of a Professor 1999. He has made tremendous contribution to knowledge in the area of Agricultural Engineering with special emphasis on Agricultural power and Agro-processing Technology. He taught undergraduate and postgraduate courses at the University of Nigeria for over a decade. The courses included those for general Engineering including Applied Mechanics, Introduction to Engineering, Engineering Law and Management and those for Agricultural Engineering including all relevant courses in Agricultural power and Machinery as well as processing and storage Options of Agricultural Engineering. His innovative approach to teaching made him one of the few lecturers that emphasized the application of emerging technologies of information and communication Technology (ICT) in all aspects of education. He ran a computer training programme for students and developed many soft wares for analysis of engineering systems. He was also an apostle of development of teaching aids which yielded four textbooks currently in use at higher institutions. He is currently editorial Adviser to the Journal of Raw Materials Research. He has published one hundred and forty one publications and nine books..
Prof. Onwualu served as external examiner to a number of higher institution in Nigeria, including Enugu State University of Science and Technology, Enugu; Federal University of Technology, Yola; Federal University of Technology Owerri and Federal Polytechnic, Bauchi and Federal University of Technology, Minna, and University of Ilorin. He supervised a number of M.Eng and PhD students.
Prof. Onwualu made immense contributions to many government/private-sector establishments including the National Centre for Agricultural Mechanization (NCAM); Federal Department of Agriculture (FDA); the Petroleum Trust Fund (PTF); United Nation Development Programme (UNDP); Technoserve, National Agency for Science and Engineering Infrastructures (NASENI), Central Bank of Nigeria, United Nation Industrial Development Organization (UNIDO) and Food and Agricultural Organization (FAO). He was Coordinator, Science, Technology and Innovation (STI) thematic group and member Central working Group of Nigeriaâ€™s vision 20-2020 (National Planning Commission).
A participant in several national and international committees, he also organized and participated in several other specialized workshops / conferences and published widely. He is a COREN registered Engineer, Fellow, Nigeria Academy of Science, Nigerian Society of Engineers, Nigerian Institute of Agriculture Engineers, Solar Energy Society of Nigeria, Institute of Strategic Management, and the Polymer Institute of Nigeria. He is also a member of the Pan African Competiveness Forum and the Nigeria Institute of Management.
He is currently Director General /Chief Executive Officer, Raw Materials Research and Development Council (RMRDC), Federal Ministry of Science and Technology, Abuja.
- Agricultural Power, Processing and Machinery Engineering