Dramatic Leadership Shakeup Rocks Canberra Liberals
The Canberra Liberals have experienced a dramatic change in leadership, with Mark Parton resigning as Legislative Assembly speaker to take control of the opposition party following Leanne Castley's unexpected resignation. The political upheaval occurred on November 10, 2025, creating significant waves in ACT politics just weeks after Castley suspended two members from her party room.
New Leadership Team Takes Charge
Mr Parton confirmed he had secured support from all elected members to become the new leader, with Deborah Morris selected as his deputy. This marks a complete overhaul of the opposition's leadership structure, following the simultaneous resignation of both Ms Castley as leader and Jeremy Hanson as deputy leader.
In his first statement as leader, Mr Parton emphasized the need for party unity, stating: "It's vital that we continue to strengthen the cohesion within our party. By encouraging open dialogue, valuing diverse perspectives, and finding common ground, we can reinforce our shared purpose."
The newly elected leader stressed that building an alternative government for the ACT remained the party's clear priority, committing to deliver for Canberrans across the territory.
From Speaker to Opposition Leader
Mr Parton's transition from speaker to opposition leader represents a significant political shift. The former radio presenter, widely regarded as a moderate Liberal voice, first entered the Legislative Assembly in 2016 and secured the speaker's position following the 2024 election.
When elected speaker just last year, Mr Parton had foreshadowed interesting times ahead, remarking: "It's going to be a fascinating four years given the dynamics that have been revealed in the last 24 hours but that dynamic will require strong direction, leadership and collaboration."
He had pledged to provide leadership and collaboration while ensuring the chamber remained a safe and respectful workplace for all 25 members.
A Return to Founding Principles
Mr Parton's political philosophy appears consistent with the values he expressed in his 2016 inaugural speech, where he committed to representing:
- Canberrans struggling to keep a roof over their heads
- The local business community
- Residents of Tuggeranong who felt left behind by government
He had declared at the time: "I am here because I love this town, because I want to help Canberra to become the best it can be. I am here because life is so desperately short, and when you have the ability to make a positive impact on your community - on those around you - I think you should take that chance."
The Canberra Liberals were expected to face media scrutiny later on Monday afternoon, with the party's new leadership team preparing to outline their vision for the opposition's future direction.
