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 to an unprecedented 23%. Once recovered from the conflict with agrarian interests, Cristina Kirchner's public approval improved; her job approval ratings rose by 30% ("Poliarquía", 08/22/08). Her inflexible handling of the protests and reluctance to review the policies that sparked the protest have led to speculation that it is her husband, predecessor in office and current leader of the Justicialist Party, Néstor Kirchner, who controls her administration. The British weekly newspaper "The Economist" has described this situation as Kirchner "paying the price for her husband's pig-headedness", and as of February 2009, her job approval rating was 28%. On October 20,