On Tuesday, 18 November 2025, the Director of CRSTRA, Professor Kechebar SeifAllah, chaired the inauguration ceremony of Dr. Ben Aissa Mohamed El Houssine as Director of the Research Unit on Environmental Resources, Systems, and Sustainable Development, in the presence of the assistant Director Mr. Farhi Yassine, the Secretary General Mr. Baissi Abdelkarim, and the President of the Scientific Commitee Dr. Masnoua Mohamed. The ceremony was marked by expressing sincere wishes of success for Dr. Ben Aissa’s endeavor, affirming the confidence in his ability to leadership and supports the unit effectively.