Haithem Boumediri obtained his Ph.D. in Mechanical Engineering from 8 May 1945 University of Guelma, Algeria, in 2021. He worked as a specialized instructor at the National Institute of Vocational Training Didouche Mourad in Annaba from 2016 to 2022 and as an associate lecturer at the Higher Normal School of Technology (ENSMM) in Annaba from 2019 to 2022. In 2022, he joined the Institute of Applied Technical Sciences (ISTA) at the University of Frères Mentouri Constantine 1, where he was promoted to Associate Professor in 2023. His research interests include surface integrity in machining, natural fiber composites, reliability engineering, manufacturing processes, and thermo-mechanical analysis of materials. ‪ Haithem BOUMEDIRI—Google Scholar https://scholar.google.com/citations?user=R9Y2908AAAAJ&hl=fr