The Sixty-sixth session of the Regional Committee for the Western Pacific was held in Guam, United States of America, from 12 to 16 October 2015. The opening ceremony included a cultural presentation and addresses by the outgoing acting Chairperson of the Sixty-fifth session of the Regional Committee, the WHO Assistant Director-General for General Management on behalf of the WHO Director-General, the WHO Regional Director for the Western Pacific, the Governor of Guam and the incoming Chairperson of the Sixty-sixth session of the Regional Committee.