First inauguration of Dilma Rousseff as him – the Workers' Party. The inauguration marked the formal culmination of the Presidential transition of Dilma Rousseff that began when she won the Brazilian presidential election on October 31, 2010, and became the President-elect. The results were certified by the Supreme Electoral Court on December 17, 2010. Rousseff, who campaigned using the slogan "For Brazil to keep on changing", was widely-celebrated as the first female president of Brazil and a symbol of continuity from her highly popular predecessor, Luiz Inácio Lula da Silva. According to the Sensus polling institute, Lula might have been the most popular head of
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