Soner Top (PhD) is a faculty member at Abdullah Gül University. He received his BSc, MSc, and PhD degrees in engineering and conducts research primarily on metal recovery from industrial wastes and secondary resources, with a strong focus on circular economy and resource efficiency. His work emphasizes hydrometallurgical and physicochemical processes for the recovery of critical and valuable metals from wastes, by-products, and low-grade materials using environmentally friendly and economically viable approaches. In parallel, his research interests include geopolymer-based and sustainable construction materials, sustainable concrete technologies, energy efficiency, and the utilization of industrial by-products and wastes in value-added building materials. Assoc. Prof. Dr. Top has published numerous articles in high-impact international peer-reviewed journals and serves as a reviewer and editorial board member for several scientific journals. He is actively involved in national and international research projects and teaches undergraduate and graduate-level courses. His academic activities prioritize sustainability, innovation in materials engineering, and the transfer of scientific outcomes to industrial practice.