Arthur Sinodinos

Arthur Sinodinos began in the Australian Public Service in 1979 and rose through Treasury. He advised John Howard on economic policy in opposition and government, then served as the prime minister's chief of staff for nine years. After working in banking, he entered the Senate in 2011 and held positions including assistant treasurer, cabinet secretary, and minister for industry, innovation, and science. ¹

Sinodinos arrived in Washington in February 2020 and completed his posting in March 2023. His term spanned the Trump and Biden administrations and the announcement of AUKUS. In his departure interview, he defended the submarine partnership and argued that Australia needed to proceed with its implementation. ^{1, 2}

His later appointments included chairing the Australia practice of The Asia Group. In July 2025 he became chair of the United States Studies Centre at the University of Sydney. ³