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 chose armed struggle after reading "Revolution inside the Revolution" by Régis Debray, a French intellectual who had moved to Cuba and become a friend of Fidel Castro and Che Guevara. Heringer says that "the book inflamed everybody, including Dilma". During that period, Rousseff met Cláudio Galeno Linhares, a brother-in-arms five years her senior. Galeno, who had joined POLOP in 1962, had served in the Army, participating in the uprising of sailors against the military coup, for which he had been arrested in Ilha das Cobras. They married in 1968 in a civil ceremony, after dating for one year. Rousseff participated