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 Iran Prime Minister of Iran The Prime Minister of Iran was a political post in Iran that had existed during several different periods of time starting with the Qajar era (when the country was internationally known as Persia) until its most recent revival from 1979 to 1989 following the Iranian Revolution. In the Qajar era, prime ministers were known by different titles. The post itself was mainly known as "ataabak" or "ataabak-e a'zam" (grand "ataabak"), or sometimes "sadr-e a'zam" (premier) at the beginning, but became "ra'is ol-vozaraa" (head of ministers) at the end. The title of "nakhost vazir" (prime minister) was