Academic positions
· Dean, Faculty of Science Cairo University 1-10-2013 till now.
· Vice Dean, Higher Education and Research Affairs 1-8-2007 - 12-9-2013
· Director, Micro analytical Data Center, Faculty of Science, Cairo University, from 1-8-2007 till 1-8-2007.
· Co-director, Micro analytical Data Center, Faculty of Science, Cairo University,1-8-2005 till 31-7-2007.
· Consulting Editor, Contemporary Who's Who" series, American Biographical Institute, USA.