Between 2002 and 2006, Danica Simšič was mayor of the municipality. Since the municipal elections of 22 October 2006 until his confirmation as a deputy in the National Assembly of Slovenian in December 2011, Zoran Janković, previously the managing director of the Mercator retail chain, was the mayor of Ljubljana. In 2006, he won 62.99% of the popular vote. On 10 October 2010, Janković was re-elected for another four-year term with 64.79% of the vote. From 2006 until October 2010, the majority on the city council (the Zoran Janković List) held 23 of 45 seats. On 10 October 2010, Janković's list won 25 out of 45 seats in the city council. From December 2011 onwards, when Janković's list won the early parliamentary election, the deputy mayor Aleš Čerin was decided by him to lead the municipality. Čerin did not hold the post of mayor. After Janković had failed to be elected as the Prime Minister in the National Assembly, he participated at the mayoral by-election on 25 March 2012 and was elected for the third time with 61% of the vote. He retook the leadership of the city council on 11 April 2012.