Mensalão scandal funneled through an advertising agency owned by Marcos Valério. The investigation has since uncovered members of the Brazilian Social Democracy Party, DEM, Brazilian Democratic Movement Party and seven other political parties also involved. Many key advisers to Lula resigned, and several deputies were faced with the choice of resignation or expulsion from congress, though the president himself went on to be re-elected in 2006, and in 2010 Brazil elected his chief of staff, Dilma Rousseff, as president. Much of PT's leadership was affected in some way, with many resigning or failing to win re-election. Brazil's economy was widely perceived 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