Konferènsi iki dianakaké saka tanggal 21 August nganti 7 Oktober 1944 ing Dumbarton Oaks, sawijining omah gedhé ("mansion") ing Washington, DC, Amérikah Sarékat, lan dirawuhi déning wakil saka Amérikah Sarékat, Uni Soviet, Ingris, lan Republik Rakyat Cina, dibawahi Wakil Menlu AS Edward Reilly Stettinius. The British delegation was headed by Permanent Under-Secretary of State for Foreign Affairs Sir Alexander Cadogan, while the Soviet delegation was led by Soviet Ambassador to the United States Andrei Gromyko.