Walter de Vitto: M.A. in economics, University of São Paulo (FEA-USP); B.A. in business administration, Getúlio Vargas Foundation (FGV-SP). Mr. de Vitto has worked in both the public (ARTESP) and the private sector (Banco Votorantim). At Tendências, he coordinates special projects on supply chain business intelligence and is the head of electric energy, and oil, gas & oil products.