Dr. Erusiafe is a specialist in Solar Physics with focus on +solar radiation measurement and application. He has a Phd in Solar Physics from the University of Lagos. Over the years, he has conducted research as well as guided / supervised postgraduate students in the areas of solar radiation modelling and application of solar radiation in renewable energy systems (specifically photovoltaic). He is a member of Astronomical Society of Nigeria (ASN) and International Solar Energy Society (ISES).