Dr. Wissem Gallala studied earth science at the Faculty of Sciences of Sfax, Tunisia. In 2010, he obtained his Ph.D. in Geology. He acquired a wide experience in geomaterials prospecting as well as the management of natural resources. Dr. Gallala has significant teaching responsibilities. He teaches mineralogy and petrography to students in Cultural heritage at the University of Sousse. Moreover, he teaches valorization of geomaterials at the University of Gabes, Tunisia.