Bachelor Engineering, University Nigeria, 1987. Master Engineering, University Nigeria, 1990. Doctor of Philosophy in Engineering, Shinshu University, 1994.
National youth service corporation maintenance engineer West African Cement Factory, Ewekoro, Ogun, Nigeria, 1987-1988. Teaching assistant University Nigeria, Nsukka, 1988-1990. Lecturer Ritsumeikan University, Kusatsu, Japan, 1994-1997.
Vice president Origins Japan Company Ltd., Nagano, since 1995. Consulting director Netacons Ltd., Nsukka. Consultant Sols and Partners Inter.
Nsukka, since 1993; executive director Ejiogu Engineering International, Ltd., Portharcourt, Nigeria, since 1994.
Member Institute of Electrical and Electronics Engineers, New York Academy of Sciences, Society Instrument and Control Engineers.