Leader of the Government in the Senate (Australia)
The current Leader of the Government in the Senate is Mathias Cormann. The current Deputy Leader of the Government in the Senate is Simon Birmingham, who was appointed on the same date following the resignation of Mitch Fifield.
National Security Committee (Australia)
The Prime Minister from time to time determines the membership of NSC. Under the current Morrison Government, the NSC is chaired by the Prime Minister and the membership includes the Deputy Prime Minister, Attorney-General, Treasurer, Minister for Foreign Affairs, Minister for Defence, and the Minister for Home Affairs.