Sílvio Pereira

Born in Osasco, São Paulo, he was a key figure in the mensalão scandal and resigned from his post of secretary general of the party on June 4, 2005.

[2] The 27th phase of the Operation Car Wash (Lava Jato) uncovered Pereira's involvement in the oil corruption scheme linked to Petrobras through his company DNP Eventos Ltds.

[2] The investigation revealed that he was one of the recipient of payments from GDK and OAS contractors in the scheme that involved overpaying contracts so that excess funds are funneled to personal accounts.

Pereira also allegedly gained favors from OAS and GDK for appointing Renato Duque to the Petrobras Services directorate.

[3] Brazil's Federal Public Prosecution Service charged Pereira with passive corruption and money laundering and was arrested in April 2016.