Dr. Sahar M.M. Omar now is a professor doctor at Ain Shams University and Galala university and has been former Head of Histology Department at Armed Forces College of Medicine. has completed her Ph.D. in Histology & cell biology at Ain Shams University from 2000 to 2005. Dr. Sahar is a FAIMER faculty (foundation for advancement of international medical education and research). She is also a Certified International Professional Trainer CIPT MISSOURI State University. Dr. Sahar has recently written book chapter entitled “ Mesenchymal Stem Cells For Treating Ocular Surface Diseases: A Review” in the book named “ Issues and Developments In medicine and Medical research”. She contributed as a speaker at global webinar on stem cell during November 11-12-2021, she also attended the BIT's 10th World Congress of Regenerative Medicine & Stem Cells -2016 in China and gave a talk titled as "Bone Marrow Mesenchymal Stem Cell Transplantation in a Rabbit Corneal Alkali Burn Model.". she has published more than 15 papers in stem cells and tissue engineering and cellular therapy in reputed journals and has been serving as an editorial board member of repute in Journal of Stem Cells and Genetics, Journal of Embryology & Stem Cell Research, Journal of dental and medical science & Journal of Genetics, Cellular and Molecular Biology. Associate editor in Journal of Stem Cell Research and therapeutics. Also serving as Board reviewer in Journal of Stem Cell Research and Medicine & Journal of nanomedicine and nanoscience research.