[2][3] She studied at the Lycée Français Antoine-de-Saint-Exupéry in Santiago and attended the School of Journalism at the University of Chile.

[4] In 2000, she became director of the Director of Communication of the Ministry General Secretariat of the Presidency, a position she held until May 2001, when she was appointed president of the National Television Council, a state-run agency whose function is to oversee the operation of television services in the country.

[4][5] She was a founding member of the Chilean Chapter of Transparency International and a professor at the School of Journalism at the University of Chile.

[6] She has a regular column at the online newspaper El Mostrador and used to be a regularly featured panelist on the Mesa Central debates program on Canal 13, until she quit in November 2020 to run for a spot in the Constituent assembly of Chile.

[7] In November 2020, Politzer announced her candidacy for the Constituent assembly of Chile as part of the Independientes No Neutrales political coalition, running on the 10th electoral region,[8] resulting elected to the constituent assembly.