After graduating, she worked as a reporter for the Education section of the newspaper La Nación in 1959, and held the same position at El Mercurio from 1965 to 1973.

After the 1973 military coup, she worked as a press attaché for the Chilean embassy in Buenos Aires .

[2] In the parliamentary elections of March 1973, Pinto was chosen as a deputy for the 7th Departmental Association, First District of Santiago, for the term 1973–1977.

She was also part of special commissions investigating the operation of the Juntas de Abastecimientos y Precios, and collecting background information on the reform of the educational system proposed by President Salvador Allende.

[4][5] The journalist was on a trip to Copiapó as a press consultant for Banco de Crédito e Inversiones.