Group 1 - The Brazilian Finance Minister Fernando Haddad proposed the nomination of the Secretary of Economic Policy, Guilherme Mello, to fill a vacancy on the Central Bank's board [1] - Mello, a structuralist economist, advocates for lowering the current benchmark interest rate of 15%, which is the highest level in nearly two decades, and supports state intervention and public investment to address inflation rather than relying solely on monetary policy [1] - The two vacancies on the Central Bank's board are due to the terms of board members Diogo Guillen and Renato Gomes ending before 2025, which led to a decision to maintain the benchmark interest rate unchanged for the fifth consecutive time [1] Group 2 - President Lula previously accepted Haddad's recommendation for Central Bank personnel, appointing Gabriel Galipolo to the board and later promoting him to the position of Central Bank President [2] - It remains unclear whether President Lula will approve Haddad's current nomination proposal for Mello [2] - Haddad declined to comment on the nomination, and there was no immediate response from Mello or Lula's office regarding the request for comments [2]