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.
Dean Smith (Australian politician)
Smith was appointed to the Senate on 2 May 2012 by a joint sitting of the Parliament of Western Australia, to fill a casual vacancy caused by the death of Senator Judith Adams.