Australia’s most unsuccessful party loses another leader

Australia’s Most Unsuccessful Party Loses Another Leader

The Canberra Liberals, who have remained in opposition for twenty-four years, announced another leadership change. Leanne Castley declared she is stepping down after a challenging year leading the party.

Last year, the Labor Party secured its seventh consecutive win in the ACT Assembly elections. The Liberals have not been in government since former Chief Minister and Senator Gary Humphries lost to Jon Stanhope in the 2001 territory polls.

Leadership Change Announced

On Monday, Leanne Castley and her deputy Jeremy Hanson confirmed they would resign to allow a new leadership team to take over. Mark Parton, a former radio announcer and the current ACT Speaker, is expected to become the new leader.

“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.”

They expressed hope that this change will improve the party's prospects in the upcoming election.

Background

Author’s summary: The Canberra Liberals continue to struggle with leadership changes after decades in opposition, aiming to revitalize ahead of the 2028 ACT election.

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The Nightly The Nightly — 2025-11-10