Career
Elected for the Civic Front for Santiago, she sits in the Argentine Senate representing Santiago del Estero Province and supports the majority block of the Front for Victory. She then served as a provincial deputy. In the provincial legislature she led the Bases Populares block.
In 2007 Cappellini was elected to the Argentine Senate for the Civic Front of Santiago, a front formed in 2005 by Radicals and Peronists.
She and her fellow Civic Front senator Emilio Rached form their own block but support the Kirchners" Front for Victory.