Graças Foster as the Transportadora Brasileira do Gasoduto Bolivia-Brasil. In 1998, Foster was working for a Petrobras unit that was involved importing natural gas from Bolivia. During this time, she met Dilma Rousseff, who in October 2010, would be elected to serve as the first female President of Brazil. In 1998, Rousseff was a relatively unknown energy official, serving in Rio Grande do Sul in southern Brazil. Foster and Rousseff developed a lifelong professional relationship, based in their mutual support of the leftist Workers Party, which rose to power in 2002, resulting in the election of Luiz Inácio Lula da Silva as
Dilma Rousseff the Institute of Social and Political Studies () linked to the only legalized opposition party, the Democratic Movement (MDB). Even though she was not affiliated with the party, Rousseff organized debates at the institute, which received lectures from scholars such as Francisco de Oliveira, Fernando Henrique Cardoso, and Francisco Weffort. In 1976, Rousseff and Araújo worked for the campaign of Glênio Peres, a MDB candidate for the city council. Although he was elected, Peres' term was revoked for denouncing the regime's torture in a speech. In November 1977, Rousseff was reported by the newspaper "O Estado de S. Paulo" as