Ka kammala wannan magana: Kafin halartar makarantar lauya, Demissie ya fara aikinsa na siyasa yana aiki a kan yakin neman zaben shugaban kasa na John Kerry na 2004. Dukansu sun yi aiki a Iowa kuma sun yi aiki a matsayin darektan filin Georgia a wasu wurare a cikin yakin. A lokacin zaben shugaban kasa na Amurka na shekarar 2008 Demissie ya fara aiki a kan yakin neman zaben Hillary Clinton a zaben fidda gwani na jam'iyyar Democrat. Clinton za ta rasa zaben fidda gwani ga Barack Obama. A lokacin babban zaben, ya yi aiki a matsayin Ohio fita zabe darektan for Obama ta
yaƙin neman zaɓe, yana riƙe da wannan matsayi daga watan Agusta 2008 har zuwa zaben Nuwamba.