The Minister of State Head of the Civilian House of the Presidency of the Republic (Portuguese: Ministro de Estado Chefe da Casa Civil da Presidência da República) is the chief of staff of the Presidency of the Federative Republic of Brazil, and a member of the president's cabinet. The post was established on 1 December 1938.
In Brazil, the chief of staff is a member of the president's cabinet, with the rank of minister. As of 2009, the office of the chief of staff had an annual budget of US$3.1 billion.
The chief of staff is responsible for assisting the president and overseeing all cabinet requests and bureaucratic procedures involving the presidency. Other responsibilities include negotiations with Congress and state governors. For that reason, the presidential chief of staff is generally regarded as the "second most powerful person in Brazil".