Dr. Jaker Hossain is a Professor to the Department of Electrical and Electronic Engineering, University of Rajshahi, Bangladesh. He received his PhD degree from the Saitama University, Japan under Japanese Government (MEXT) Scholarship in 2017. His field of research includes Photovoltaics, PEC, Thin film Materials for solar energy, Semiconductors, Transparent conductors, Functional materials and Green technology.