Cika wannan jumla: Dembélé ya zama memba na kwamitin zartarwa na Adéma-PASJ a shekara ta 2004, kuma ya yi aiki a matsayin Darakta Janar na Geology da Mines daga 2005 zuwa 2010. A ranar 10 ga Afrilu 2013, an sanya shi a matsayin dan takarar Adéma-PASJ don zaben shugaban kasa na watan Yulin 2013. Shugaban jam'iyyar Dioncounda Traoré shi ne dan takarar Adéma-PASJ na farko don zaben lokacin da aka fara shirya shi, a shekarar 2012, amma bayan da
Maris 2012 juyin mulki gwamnatin da ke mulki ta ba shi izinin karɓar mukamin shugaban rikon kwarya, kuma saboda haka ya yarda ba zai tsaya a matsayin dan takarar shugaban kasa ba.