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
Impeachment of Dilma Rousseff in testimony to the committee investigating Operation Car Wash allegations, the culmination of an internal investigation that had lasted eleven months. On 19 October 2016, Cunha was arrested on charges of corruption and bribery related to a Petrobras drillship purchase. In the Brazilian political system, the president and vice president run on the same ticket but have constitutionally separate terms. Michel Temer, who was president of the Chamber during the Fernando Henrique Cardoso presidency from 1995 to 2003, is a member of the Brazilian Democratic Movement Party (PMDB), which announced it was running against the Rousseff government in March 2016.