Overview

• Tom Koutsantonis was sworn in as South Australia’s treasurer at Government House, returning to a role he held from 2014 to 2018.
• The cabinet overhaul follows the resignations of Deputy Premier Susan Close and Treasurer Stephen Mullighan, who will not contest the March 2026 election and cited personal and family reasons.
• Emily Bourke takes over the transport and infrastructure portfolio as Koutsantonis relinquishes those responsibilities.
• Lucy Hood joins the ministry to lead the environment portfolio during the state’s algal bloom response, after Close said her departure was unrelated to the issue.
• Rhiannon Pearce enters cabinet with recreation, sport and racing plus emergency services and corrections, Blair Boyer becomes police minister, and the premier assumes defence and space industries.