She served in a number of high-profile posts during her career, most notably as Minister of Education during the interim presidency of Eduardo Duhalde from 2002 to 2003, and later as Vice Governor of Buenos Aires Province under Felipe Solá from 2003 to 2007.

[3] Giannettasio's first political post was as director of legal affairs at the municipal government of Lomas de Zamora, during the mayorship of Eduardo Duhalde.

[6] In the 1999 legislative election, Giannettasio ran for one of Buenos Aires's 35 seats in the National Chamber of Deputies as part of the Justicialist Party list.

[7] In January 2002, in the aftermath of the December 2001 rioting and presidential succession crisis, Eduardo Duhalde was appointed interim president of Argentina, and Giannettasio became Minister of Education, Science and Technology in his government.

[8] In the 2003 provincial election, Felipe Solá and Giannettasio ran on the Justicialist Party ticket for the governorship and vice-governorship of Buenos Aires, respectively.