Professor Boualem Bouselsal earned an engineering degree in 2002, a Magister in 2007, a Ph.D. in 2016, and was appointed professor in 2021, specializing in hydrogeology. Currently working in the Department of Earth and Universe Sciences at the University of Ouargla (Algeria), his research focuses on hydrogeology, geochemistry, groundwater pollution and vulnerability, as well as potentially toxic elements in water and their impact on human health. He has authored and co-authored several scientific articles in these fields. Bouselsal also leads a research team at the "Underground Reservoirs: Oil, Gas and Aquifers" laboratory at Kasdi Merbah University, where he is interested in the impact of groundwater exploitation on aquifers and the environment. In the field of teaching, Bouselsal gives courses on groundwater extraction techniques, water pollution and risks, hydrogeological mapping, and fundamental hydrogeology. In addition to his teaching duties, he regularly supervises master's and PhD students in the field of groundwater sciences.