Rubuta ci gaba ga wannan sakin layi - Power ya shiga tawagar sauyin gwamnatin Obama na Ma'aikatar Harkokin Wajen Amurka a karshen Nuwamba 2008. Ta yi aiki a matsayin Mataimaki na Musamman ga Shugaban kasa da Babban Daraktan Harkokin Multilateral da Hakkin Dan Adam a Majalisar Tsaro ta Kasa daga Janairu 2009 zuwa Fabrairun 2013. A watan Afrilun 2012, Obama ya zaɓe ta ta shugabanci sabon kwamitin da aka kafa na hana cin zarafi. A matsayin jakadan Majalisar Dinkin Duniya, ofishin Power ya mai da hankali kan batutuwa kamar gyaran Majalisar Dinkin Duniya, haƙƙin mata da haƙƙin LGBT, 'yancin addini da' yan tsiraru na addini,' yan gudun hijira, fataucin mutane, haƙƙin ɗan adam, da dimokiradiyya, gami da Gabas ta Tsakiya da Arewacin Afirka, Sudan, da Myanmar. An yi la'akari da cewa ta kasance muhimmiyar mahimmanci a cikin gwamnatin Obama wajen shawo kan shugaban kasa ya shiga tsakani a Libya
Ka yi haƙuri. A cikin 2016, an lasafta ta a matsayin mace ta 41 mafi iko a duniya ta "Forbes".