Kammala jumla mai zuwa: Bayan ya shiga Jam'iyyar Scottish National Party a 1997, yana da shekaru goma sha bakwai, ya tsaya a babban zaben 2010 a matsayin dan takarar SNP na Glasgow North. A shekara ta 2012, an zabe shi a matsayin Sakatare na kasa na SNP har sai ya sauka a shekara ta 2016. Ya jagoranci yakin neman zaben "Yes" a yankin Kelvin na Glasgow a lokacin yakin neman zabe na shekara ta 1990.
Zaben raba gardama na 2014 kan 'yancin kai na Scotland.