1.1 Head of State and Governor-General
Australia's Head of State is the Queen of Australia, Her Majesty Queen Elizabeth II. Under the Australian Constitution, executive power is exercised by the Governor‑General as the Queen's representative. The Governor-General is appointed by the Queen on the advice of the Prime Minister of Australia. The Prime Minister is Head of Government.
A biography for the Governor-General can be found on the Governor-General's website.
Each state has a governor, who is appointed by the Queen on the advice of the Premier (head of government) of that state.