Dr. Taher established the first nanotechnology center in Egypt, Chairman of Nanotechnology & Advanced Materials Central Lab (NAMCL), Agriculture Research Center, Giza, Egypt. Graduated from faculty of science, Cairo University. Hold Ph.D. in nanotechnology and Nano toxicology through channel between Cairo University and Georgia Tech, Atlanta, USA, 2009. Leader of a very dynamic multidisciplinary research group of more than 40 MSc. and Ph.D. young researchers. Have been an invited speaker at over 60 institute and scientific meeting and author and editor of many books and chapters in Nanotechnology books.