Aloizio Mercadante Oliva (born 13 May 1954 in Santos, São Paulo) is a Brazilian economist and politician[1] who served as the Chief of Staff of Brazil[2] between 2014 and 2015.

The son of an Army general and former commander of ESG (War College), he graduated in economics from the University of São Paulo (FEA-USP).

In 1996 he coordinated the government program of the PT and was a candidate for deputy mayor of São Paulo on Luiza Erundina's ticket.

He was a protagonist in the national economic debate, attending lectures and publishing articles proposing an alternative model of development.

On 20 August 2009, he announced his resignation from the leadership position because of the party's decision to support closing the investigation by the Ethics Committee against the President of the Senate, José Sarney.

[4] On 18 January 2012, he was invited to assume the Ministry of Education due to the departure of the prior minister, Fernando Haddad, to run for mayor of São Paulo.