Jorge Luis Costafreda Mustelier holds a Ph.D. in Geological Engineering and is a Professor at the Escuela Técnica Superior de Ingenieros de Minas y Energía, Department of Geological and Mining Engineering, Universidad Politécnica de Madrid (Spain). He specializes in geology, geochemistry, and the prospecting of metallic and non-metallic mineral deposits. He is an expert in the characterization, standardization, and application of sustainable natural materials such as pozzolans, zeolites, clays, and natural stone. His other areas of expertise include bentonites, cements, petrology, mineralogy, mineral raw materials for construction, and ceramic materials. He is also a member of the Environmental Studies Research Group at the Universidad Politécnica de Madrid.