He did not run again in May 2011 .
He was already party leader from May 2007 to May 2008 , and afterwards deputy leader for one year , before he became re-elected leader of the party in July 2009 , and once more in May 2010 .
party leader did not run again in May 2011 .
He was already party leader from May 2007 to May 2008 , and afterwards deputy leader for one year , before he became re-elected leader of the party in July 2009 , and once more in May 2010 .