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 Secretary of Energy of Rio Grande do Sul under both Collares and Olívio Dutra. In 2000, after an internal dispute in the Dutra cabinet, she left the PDT and joined the Workers' Party (PT). In 2002, Rousseff became an energy policy advisor to presidential candidate Luiz Inácio Lula da Silva, who on winning the election invited her to become his minister of energy. Chief of Staff José Dirceu resigned in 2005 in a political crisis triggered by the Mensalão corruption scandal. Rousseff became chief of staff and remained in that post until 31 March 2010, when she stepped down to