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.
Ian Macdonald (Australian politician)
He became the Father of the Senate on 6 February 2015, upon the resignation of John Faulkner and with the retirement of Philip Ruddock at the 2016 federal election, he became the Father of the Parliament.