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
Cristina Fernández de Kirchner president, and automatically assumed the presidency on his death. The transition from Néstor Kirchner to Cristina Fernández de Kirchner was also the first time a democratic head of state was replaced by their spouse without the death of either. He remained highly influential during his wife's term, supervising the economy and leading the PJ. Their marriage has been compared with those of Juan and Eva Perón and Bill and Hillary Clinton. Media observers suspected that Mr. Kirchner stepped down as president to circumvent the term limit, swapping roles with his wife. When Néstor Kirchner refused to run for re-election in