so Ouellet never technically served as government house leader. He was also named "Minister of State for Economic and Regional Development". 2. During this period Erik Nielsen, the Conservative house leader when the party had been in Opposition, had the position of president of the Queen's Privy Council for Canada. In practice this meant that Nielsen was senior government house leader in all but name and that Hnatyshyn was, in practice, Nielsen's deputy despite having the title of government house leader. This situation ended when Hnatyshyn became president of the Privy Council on February 27, 1985. 3. From August 27, 1987 Mazankowski was also president of the Treasury Board (until March 30, 1988) and minister responsible for privatization and regulatory affairs (until January 29, 1989). From September 15, 1988 he was also minister of agriculture. 4. The Campbell Ministry never convened the House, so Lewis never technically served as government house leader. 5. LeBlanc took over the portfolio after the resignation of Hunter Tootoo. 6. During the cabinet shuffle on July 18, 2018, the portfolio was reassigned to Mary Ng. Chagger was not assigned a new additional cabinet portfolio after the shuffle. References Canadian ministers Westminster system Legislative leaders