Weslei Monteiro Ambrós holds a Bachelor's degree in Chemical Engineering and a Ph.D. in Mineral Processing and Extractive Metallurgy. He currently serves as a Professor in the Department of Metallurgy at the Federal University of Rio Grande do Sul (UFRGS), Brazil. His research primarily focuses on optimizing the processing and extraction of non-renewable raw materials either from primary or secondary sources. His work dedicates special focus on the following areas: (1) physical separation; (2) gravity concentration; (3) extractive metallurgy; (4) urban mining; and (5) mass and energy balances.