The Ambassador and Permanent Representative of Canada to the United Nations (), known unofficially as the Canadian Ambassador to the United Nations (), is the Permanent Representative of Canada to the United Nations. The position was established in 1946 and is based at the Permanent Mission of Canada to the United Nations, which is located at 466 Lexington Avenue (20th floor) in New York City. Permanent Missions of Canada New York The Permanent Mission of Canada to the United Nations in New York City, where the main headquarters of the United Nations is located, is responsible for the multilateral foreign policy priorities of Canada, facilitating Canada's interests in international development, peace, security and human rights. Geneva The Permanent Mission of Canada to the World Trade Organization, the United Nations and the Conference on Disarmament in Geneva is the primary avenue for diplomatic relations between the Government of Canada and international organizations based in Geneva, Switzerland, mainly the World Trade Organization (WTO), the United Nations Office at Geneva (UNOG), the Conference on Disarmament and the World Intellectual Property Organization (WIPO). Canada's Permanent Representative to the UN and the Conference on Disarmament in Geneva is Ambassador Leslie E. Norton. Canada's Permanent Representative to the WTO is Ambassador Stephen de Boer. In addition to local personnel, the mission is composed of staff from various Canadian federal departments and agencies. List of Permanent Representatives Chiefs of Delegation to the League of Nations Prior to 1946, Canada sent representatives, called 'Chiefs of Delegation', to the League of Nations. On three occasions, the Chief of Delegation was the Prime Minister of Canada: 1928 – William Lyon Mackenzie King 1934 – Richard Bedford Bennett 1936 – William Lyon Mackenzie King See also List of Ambassadors and High Commissioners of Canada Mission of Canada to the European Union References United Nations Canada Global Affairs Canada