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.
Leader of the House (Australia)
As the Australian Parliament is bicameral, the Leader of the House must also be aware of developments in the Senate, for example, in order to anticipate whether a bill may be returned to the House with amendments.