Al Mamun received a Doctoral degree (D.Eng.) in Condensed Matter Physics from Tokyo Institute of Technology, Japan and two Master's degrees in Physics (M.Phil. and M.Sc.). He is currently an Associate Professor of Physics at University of Hafr Al Batin, Saudi Arabia. Prior to that, he was a Postdoctoral Research Associate at the Department of Chemical and Biomedical Engineering, Florida State University and Postdoctoral Fellow at the Department of Chemistry, University of Montreal, Canada, and Nanotechnology Department, National Institute of Advanced Industrial Science and Technology, Japan. He has published 1 book chapter, 57 international journal papers, and 30 conference proceedings. His research interests include Biopolymers, Condensed Matter Physics, Polymer Physics, Biomedical Applications, Groundwater, Environmental Radiation, Health Risk Assessment, and Semiconductor Technology.