Rodriguez Saá completed postgraduate programs at the University of Salamanca, Spain, in Constitutional Law, Community Law and in Art History. He developed a strong interest in environmental and artistic activities, promoting the development of cultural proposals on a national scale. Subsequent to his various postgraduate studies in Spain, he returned to Argentina in 2000 and was elected again as National Senator, being one of the four senators who voted against the Labor Flexibilization Law (pejoratively called "Ley Banelco" for the cash bribes offered a number of senators for its passage by President Fernando de la Rúa's administration). He resigned for the Senate in 2001, and served as Head of the Cabinet of Ministers Leadership of San Luis Province. He was elected Governor of the Province in 2003, and was re-elected in 2007 with over 80% of the vote; the runner up, with 12.2% of the vote, was Roque Palma of the Popular Socialist Party.