Andrew James Barr is an Australian politician who has been serving as the 7th and current chief minister of the Australian Capital Territory since 2014. Barr was previously the Treasurer of the Australian Capital Territory from 2011 to 2024. He has been the leader of the Australian Capital Territory branch of the Australian Labor Party (ALP) since 2014 and a member (MLA) of the ACT Legislative Assembly since 2006. He is the longest serving chief minister in the ACT since the territory gained self government in 1989.