Paulo Sérgio Neves de Souza, the former director of the Central Bank of Brazil, is suspected of manipulating data concerning Banco Master during his tenure as head of the Inspection Department under the leadership of Roberto Campos Neto. Reports indicate that he provided incorrect information to the Central Bank's board regarding Banco Master's financial statements and downplayed complaints from rival bankers about the aggressive business model of the institution. This manipulation allegedly aimed to deflect scrutiny from the leadership of the Central Bank and circumvent internal investigations.

During his tenure from 2017 to 2023, Paulo Sérgio played a crucial role in overseeing the banking sector's compliance regulations. Following his directorship, he became the deputy head of the Banking Supervision Department. As allegations emerge, the trust placed in the regulatory oversight of Brazil's financial system is crucial, especially with the controversy surrounding Banco Master's operations and its impact on market competitiveness.

In response to the allegations, Paulo Sérgio has vehemently denied any wrongdoing, claiming that there has never been a manipulation of data and that he had never been questioned by Central Bank leadership about Banco Master's operations. This ongoing investigation raises important questions about accountability within Brazil’s financial regulatory framework and the integrity of its institutions.