Prof. Ekechukwu obtained his B.Sc. (Chemistry) from the University of Ibadan in 1982 and Ph.D. (Mechanical Engineering - Applied Energy) from Cranfield Institute of Technology, UK (1988).
He started his professional career as a Graduate Assistant in Energy Research Centre in 1983.
He has served as ; Director, National Centre for Energy Research and Development, University of Nigeria in 1999; Member , University of Nigeria Senate (1998–Date); Chairman, Faculty of Engineering Post-graduate Studies Committee (2000–2002; 2005–2007); Member, Board of the School of Post-graduate Studies, University of Nigeria (2000–2002; 2005–2007); Director, Research and Innovation, National Universities Commission, Abuja (September 2007 – Date); Member, Governing Council, Air-force Institute of Technology, Kaduna (2008–Date); Member of the Governing Council, National Mathematical Centre, Abuja (2008–Date); Member, Editorial Board of AMSE Periodical;-Modelling, Simulation & Control (France).
He is a Technical reviewer to several prestigious journals, including, Solar Energy – the official journal of the International Solar Energy Society (Published by Elsevier Science Ltd., Oxford, England), Discovery and Innovation (official journal of African Academy of Sciences), International Journal of Thermal Sciences (Published by Elsevier Science Ltd., Oxford, England), Journal of Food Engineering (Published by Elsevier Science Ltd., Oxford, England), Energy for Sustainable Development, Brazil, Nigerian Journal of Solar Energy, Nigerian Journal of Renewable Energy.
His main research experiences and interest are in Applied solar energy and he has over 30 research publications in peer reviewed journals.