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.
List of Australian Leaders of the Opposition
To date there have been 33 Opposition Leaders, 18 of whom have served terms as Prime Minister. The current Leader of the Opposition is Bill Shorten of the Australian Labor Party, following an election of the new Parliamentary Labor Leader by caucus and ALP members on 13 October 2013. The current Deputy Leader of the Opposition is Tanya Plibersek of the Australian Labor Party, following her election on 14 October 2013 by the Labor Caucus. Tanya Plibersek is the fourth woman to hold the position of Deputy Opposition Leader.