He studied marketing at the city's ESADE business school and was later involved in intermodal logistics activities for the Port of Barcelona  in which the City Council is one of the major shareholders. He was successively appointed to managing the Districts of Sant Andreu, Les Corts and Gràcia at Barcelona City Council. Jordi Hereu became City Councillor for Security and Transportation on 2003. On August 30, 2006. Hereu was designated as the future Mayor of Barcelona, replacing Joan Clos after the latter was appointed as the Minister for Industry. Jordi Hereu took office on September 7. Hereu formed a minority government with ICV after the May 2007 elections. In the 2011 elections he lost to Xavier Trias. Hereu is now the leader of the opposition at the City Hall.