Barry James O'Sullivan, an Australian politician, a former police detective, grazier, property developer and LNP executive treasurer, O'Sullivan was appointed by the Queensland Parliament to the Senate seat vacated by which Australian politician who has served as the Deputy Prime Minister of Australia?
Barry O'Sullivan (politician) Barry James O'Sullivan (born 24 March 1957), Australian politician, was appointed a member of the Australian Senate for the state of Queensland on 11 February 2014, representing the Liberal National Party (LNP). A former police detective, grazier, property developer and LNP executive treasurer, O'Sullivan was appointed by the Queensland Parliament to the Senate seat vacated by Barnaby Joyce, who had resigned to contest the House of Representatives seat of New England at the 2013 federal election.
Justin O'Byrne Justin Hilary O'Byrne, AO (1 June 1912 – 10 November 1993) was a long-serving Australian Labor Party politician who represented Tasmania in the Federal Senate from 1947 to 1981, and was President of the Senate from 1974 to 1975.