(Argentina) Lawyer and first public prosecutor at the International Criminal Court (2003-2012), investigating crimes against humanity and prosecuting and accusing before the court those who committed them. In that position, he investigated crimes in Uganda, Darfur (South Sudan) and the Ivory Coast. Between 1980 and 1984 he acted as prosecutor before the Federal Court of Appeal in Argentina, and in 1985 participated at the trial of the nine members of the military juntas that governed Argentina during the dictatorship.