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 instead of being weakened, Rousseff was chosen by Lula to be the new Chief of Staff. She took office on 21 June 2005, becoming the first female to assume the position. As a former Energy Minister, she also holds a seat on the board of directors of Petrobras. According to Gilberto Carvalho, the President's private secretary, Rousseff caught the attention of Lula for her courage to face difficult situations and for her technical skills. Franklin Martins, another guerrilla fighter-turned-minister, said Lula was very impressed with Rousseff's management of the Ministry of Energy, where she prevented another blackout. "Lula realized that