Sir Henry Parkes, was a colonial Australian politician and longest non-consecutive Premier of the Colony of New South Wales, the present-day state of New South Wales in the Commonwealth of Australia. He has been referred to as the "Father of Federation" due to his early promotion for the federation of the six colonies of Australia, as an early critic of British convict transportation and as a proponent for the expansion of the Australian continental rail network.

The premier of New South Wales is the head of government in the state of New South Wales, Australia. The Government of New South Wales follows the Westminster Parliamentary System, with a Parliament of New South Wales acting as the legislature. The premier is appointed by the Governor of New South Wales, and by modern convention holds office by their ability to command the support of a majority of members of the lower house of Parliament, the Legislative Assembly.