Hon Stephen Campbell Mullighan GAICD (born ) is a former Australian politician who represented the South Australian House of Assembly seat of Lee for the Labor Party from 2014 to 2026.2014 SA election: Antony Green ABC He served as the Treasurer of South Australia in the First Malinauskas ministry from 2022 to 2025.
Political career Mullighan entered cabinet in March 2014 and remained there until the March 2018 election when his party lost office.
He previously held the portfolios of Minister for Defence and Space Industries (April 2024 to September 2025), Minister for Police (January 2025 to September 2025), Minister for Transport and Infrastructure (March 2014 to March 2018), Minister for Housing and Urban Development (January 2016 to March 2018), Member of the House of Assembly, Parliament of South Australia, Member for Lee (March 2014 to March 2026).
He is aligned with the Labor Right faction.
References
External links Mullighan Advisory website
Parliamentary Profile: SA Labor website