Professor and Former Chairman of Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Egypt ? Referee Member of Scientific Research for Professors' Promotion in Egyptian Universities ? Participation in Evaluation of Professors' Promotion at John Hopkins University, USA ? Chief editor "Journal of Biology and Biotechnology (JBB)" ? Executive editor "Zagazig University Medical Journal (ZUMJ)" ? Member of ERIK "International Experts for Research Enrichment and Knowledge Exchange"