Australia’s most unsuccessful party loses another leader

Australia’s Most Unsuccessful Party Loses Another Leader

The Canberra Liberals, who have been in opposition for twenty-four years, have lost another leader as Leanne Castley announced her resignation after a challenging year at the party’s helm. The party has struggled since Labor's seventh consecutive win in the ACT Assembly last year.

The Liberals have not held power since former Chief Minister and Senator Gary Humphries was defeated by Jon Stanhope in the 2001 territory elections. On Monday, both Canberra Liberals leader Leanne Castley and her deputy Jeremy Hanson declared they would step down to allow for new leadership.

New Leadership Expected

Mark Parton, a former radio announcer and current ACT Speaker, is anticipated to take on the leadership role. Castley and Hanson stated their decision aims to improve the party’s chances for success in the 2028 election.

“To give the Canberra Liberals the best possible chance of success in the 2028 election, we have made the decision to step down from leadership,” the pair said in a joint statement.
“A vote will soon be held to elect a new leadership team, and neither of us will be contesting any leadership positions. We extend our full support and best wishes to those who will take on these important roles.”

Looking Forward

The leadership change signals an attempt to rejuvenate the party after decades in opposition and position it strongly for future elections.

Author's summary: The Canberra Liberals face ongoing leadership changes as Leanne Castley and Jeremy Hanson step down to boost the party’s prospects ahead of the 2028 election after 24 years out of power.

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The Nightly The Nightly — 2025-11-10