Chief of Staff to the Prime Minister (Canada) hold the formal title chief of staff. Bernard Roy, Brian Mulroney's principal secretary from 1984 to 1988, was the last principal secretary to act as head of the PMO before the creation of the chief of staff position. Chief of Staff to the Prime Minister (Canada) The Chief of Staff of Canada's Prime Minister's Office is the top official of the office. The position was created in 1987 to head the PMO. Prior to the creation of the chief of staff position, the office was headed by the Prime Minister's Principal Secretary, a position which is now secondary to the
Prime Minister of Tonga Prime Minister of Tonga The Prime Minister (until 1970, Premier) of Tonga heads the government of the Kingdom of Tonga ("His Majesty's government"), while the King is the official head of the executive power. The office of Prime Minister was established by the Constitution of 1875, whose article 51 stipulates that the Prime Minister and other ministers are appointed and dismissed by the King. During the 2000s, the country experienced an increase in democratization. In March 2006, King Tāufaʻāhau Tupou IV appointed Dr. Feleti Sevele, a moderate member of the Human Rights and Democracy Movement, as Prime Minister. Sevele was