Office of the Prime Minister (Canada) December 21, 2015, the new Prime Minister Justin Trudeau was still in the process of hiring staff. However, he announced some key positions as well as his office's directorates: The Office of the Prime Minister was a fairly weak and secondary group before Pierre Trudeau became prime minister in 1968, after whose appointment much of what had previously been the responsibility of the Privy Council Office was shifted to the PMO. After that point, the PMO became more central to the government, and many of Trudeau's economic and constitutional initiatives were launched with the aid and advice of its staff.
Prime Minister of Denmark a part of the constitutional monarchy outlined in 1848 and signed as the Danish Constitution on 5 June 1849. The new Constitution established a parliamentary system by creating a new bicameral parliament () and a Council Presidum, headed by a Council President. The Council Presidium is regarded as the predecessor of the modern Prime Minister's Office. The first Council President was Adam Wilhelm Moltke, who came to power on 22 March 1848. Molte and his next two successors also held the title of , which translates as "prime minister". From 1855 onwards the Prime Minister was known simply as the