Professor of Civil Law at the University of Turin and of Comparative and International Law at the University of California. He was vice president of Rodotà Reform Commission of Public Goods and actively participated in the referendum for water as a common good, in Italy in 2011 is also a columnist of the newspaper Il manifesto. His recent publications include:'ll invest the rotta. Idee per una della riforma proprietà pubblica (in collaboration with E. and S. Rodotà Reviglio) (2007); Saccheggio Il. Regime di legalità and Trasformazioni globali (in collaboration with L. Nader) (2010); La legge of più forte (2010); L'acqua alle i beni comuni raccontati ai ragazzi e ragazze (2011).