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.
Deputy Prime Minister of the Republic of Poland office. There were no Deputy Prime Ministers in the cabinet of Jan Olszewski and in the first cabinet of Waldemar Pawlak. Deputy Prime Minister of the Republic of Poland Deputy Prime Minister of the Republic of Poland is the deputy of the Prime Minister of Poland and member of the Council of Ministers of the Republic of Poland. They can also be one of the Ministers of the Republic of Poland. The Constitution of the Republic does not limit the number of persons who can hold the position of deputy prime minister simultaneously. As of December 2017, Piotr Gliński, minister