|Leader of Glasgow City Council|
18 May 2017
|Councillor for Langside (Ward 7)|
3 May 2012
|Leader of SNP Group|
|Political party||Scottish National Party|
|Alma mater||University of Glasgow, Strathclyde University|
Aitken was elected to represent the ward of Langside in the 2012 Glasgow City Council election. In March 2014, she was made leader of the SNP Group at Glasgow City Council following the resignation of Graeme Hendry. She is also the SNP's Local Government Convener.
Aitken took office as leader of the SNP-led administration on 9 May 2017, formally appointed as such on 18 May 2017, and immediately wrote to COSLA on behalf of Glasgow City Council, seeking to rejoin.
On 19 January 2019, Councillor Aitken reached an historic agreement in the long-running dispute over equal pay at Glasgow City council, an issue previously ignored by previous Scottish Labour administrations,  after workers took part in industrial action with support of the GMB and Unison unions.