On Monday, 23 Safar 1444 AH corresponding to September 19, 2022 AD, Laboratory Sciences Department, in cooperation with the Saudi Stem Cell Registry and the Ethar Society, held a symposium on the International Stem Cell Donation Day through the blackboard platform of Prince Sultan Military College of Health Sciences. Where Dr. Najwat, Director of the Saudi Registry for Stem Cell Donors and the Cord Blood Bank at the Medical Research in King Abdullah Centre, gave a lecture to introduce stem cells, the importance of donating it, and how to register on the Saudi Donor Registry platform.