Geologist (IGcUSP/1985), PhD (POLI/USP, INP/Toulose/2000) and postdoctoral fellow (IGcUSP/2002). He works in mineral legislation, prospecting and research, technological characterization, typology, and ore processing. He has managed laboratories for sample preparation, chemical analysis, and ore processing; he has conducted studies on environmental liabilities, mine due diligence, reserve reassessment, and beneficiation plant optimization.