Dr. KOCEIR Elhadj-Ahmed, Professor of Nutrition at the University of Bab Ezzouar (USTHB, Algiers). Responsible for the master's and doctoral school training in nutrition and dietetics in human pathologies. Head of the Bioenergetics and Intermediate Metabolism research team. The research areas are both clinical and fundamental, the majority of the work of which focuses on diabetic pathogenesis and its cardiovascular complications. The studies can be viewed on the PubMed site (https://www.ncbi.nlm.nih.gov/pubmed/?term=koceir).