Assistant Professor of Pathology at the faculty of Medicine Alexandria University. Joint PhD with radiation oncology department at Feinberg School of Medicine Northwestern University, Chicago, USA 2009-2011 in Nanomedicine. Special interest in mapping of nanoparticles in tissues, visualization of nanoparticles and toxic effects of nanoparticles in tissues. Also the use of Nanomedicine to combat cancer and overcome multi drug resistance. Currently hold position of the Executive manager of the Nanomedicine laboratory at the Center of Excellence for Research in Regenerative Medicine and its Applications at the Medical Research Center, Faculty of Medicine, Alexandria University.