In 2007, he successfully led the Corrientes Province party list supported by presidential candidate Cristina Fernández de Kirchner in elections to congressional seats, but was opposed by his cousin and former ally, Ricardo Colombi.
In 2007, he achieved victory leading the Corrientes Province party list on behalf of presidential candidate Cristina Fernández de Kirchner's campaign for congressional seats, but faced opposition from his cousin and previous ally, Ricardo Colombi.