Kammala wannan jumla: A watan Afrilu 2008, an sanar da cewa Dunn, wanda ya shiga yakin neman zaben Obama a watan Fabrairu, zai zama darektan sadarwa, manufofi da ayyukan bincike na
Obama don Amurka, inda ta rike mukamin Babban Mashawarci kuma tana daya daga cikin manyan masu yanke shawara na yakin neman zaben Obama. An nuna ta a matsayin ɗaya daga cikin manyan mashawarta huɗu (tare da David Axelrod, David Plouffe, da Robert Gibbs) a cikin hirar "Minti 60" da aka yi bayan zaɓaɓɓen Shugaban Obama a ranar 4 ga Nuwamba, 2008, jawabin nasara a Grant Park, Chicago, Illinois. An bayyana ta, a cikin hirar "Minti 60", a matsayin, "sabo mai zuwa wanda ya kula da sadarwa, bincike da siyasa". A lokacin canjin shugaban kasa na 2008-09, Dunn ya horar da Sakataren Harkokin Watsa Labarai na Fadar White House Robert Gibbs.