Youssef Mahmoud Salameh, Director of the Center for Success in Research in Cancer and Stem Cells at An-Najah National University[8], as well as an activity in the field of cancer and stem cells where he published more than 10 researches in this specialization in the master's and doctoral periods[9], and he obtained a patent and established a therapeutic program to reduce the growth of cancerous cells and published many papers Research in major medical journals at the level of Japan and the world[10].