Axel Kicillof headed by Hernán Lorenzino. After that, on November 18, 2013, Kicillof officially became Minister of Economy. Kicillof was instrumental in the renationalization of YPF. President Cristina Fernández de Kirchner named Kicillof to the post of Secretary (or Deputy Minister) for Economic Policy and Development Planning in December 2011. He took academic leave to assume this post. In this position, Kicillof oversaw the controversial 2012 nationalization of YPF, the Argentine oil company then controlled by the Spanish energy firm Repsol. It was the largest expropriation in Argentina's history. He justified this action as part of a needed reversal of the Argentinian
Presidency of Cristina Fernández de Kirchner on January 12 against a central bank account in New York. Judge Sarmiento also annulled the decree that removed Redrado and reinstated him as President of the Central Bank the following day. The ruling also refuted claims of mis-conduct cited by President Cristina Kirchner to justify his removal. International media described the attempted removal of Redrado as authoritarian, while criticizing the planned use of reserves for debt retirement, as well as accelerating spending growth, as fiscally irresponsible. Opposition Congresswoman Elisa Carrió, a likely candidate in the upcoming 2011 presidential campaign, has raised the possibility of impeachment procedures against Mrs. Kirchner.