Parliamentary Private Secretary to the Prime Minister Bonar Law's Parliamentary Private Secretary, J.C.C. Davidson acted in effect as his Chief of Staff. Margaret Thatcher's downfall from the Conservative Party leadership in 1990 is attributed by many to the actions of her Parliamentary Private Secretary, Peter Morrison, in failing accurately to count votes amongst Conservative backbenchers. Some Parliamentary Private Secretaries to the Prime Minister go on to hold higher office; Lord Dunglass served as Parliamentary Private Secretary under Neville Chamberlain and later went on to serve as Prime Minister in his own right. There can be multiple Parliamentary Private Secretaries to the Prime Minister at a given time.
Office of the Prime Minister (Canada) Office of the Prime Minister (Canada) In Canada, the Office of the Prime Minister (more commonly referred to as the Prime Minister's Office and abbreviated as PMO), located in the Office of the Prime Minister and Privy Council building, facing Parliament Hill, in Ottawa, is one of the most powerful parts of the government. It is made up of the prime minister and his or her top political staff, who are charged with advising the prime minister on decisions, making the office a wholly partisan body. It should not be confused with the Privy Council Office (PCO), which is the