Rubuta ci gaba don wannan sakin layi - Ta kasance Wakilin Siyasa na Amurka a Washington, DC tsakanin 2009 da 2013, kuma a baya ta kasance Wakilin Gabas ta Tsakiya a Beirut da Tehran, da Wakilin Koriya a Seoul. Ta kasance shugabar ofishin Tokyo na "The Washington Post" daga 2014 zuwa 2018, kuma ta zama shugabar ofishin Beijing. Fifield ya ba da rahoto daga kasashe sama da 20, gami da Iran, Iraki, Siriya, Libya da Koriya ta Arewa. Fiye da shekaru 20 ta rufe gwajin nukiliya na farko da Koriya ta Arewa ta yi a shekara ta 2006, zaben shugaban kasa na Iran da aka yi jayayya a shekarar 2009
, da kuma zaben shugaban Amurka na 2012.