|Senator The Honourable
|Senator for New South Wales|
2 November 2011
|Preceded by||Helen Coonan|
18 September 2013
|Prime Minister||Tony Abbott|
|Preceded by||David Bradbury|
25 February 1957
Newcastle, New South Wales
|Political party||Liberal Party|
|Alma mater||University of Newcastle|
Arthur Sinodinos AO (born 25 February 1957 in Newcastle, New South Wales), an Australian politician, is a Liberal member of the Senate representing New South Wales since 2011. Sinodinos has been Assistant Treasurer in the Abbott Ministry since 18 September 2013. He has currently stepped aside from his ministerial duties during an investigation by the New South Wales Independent Commission Against Corruption (ICAC), although he still formally holds the position. Prior to his appointment to the Senate, he was a senior public servant and investment banker.
Born in Australia to Greek immigrants, Sinodinos was raised in Newcastle. His father was a member of the left-aligned Seaman's Union that, during Sinodinos' early years, was campaigning against the United States intervention in Vietnam. His mother recalled stories of the Greek Civil War of the 1940s where Communist insurgents would knock on the door of their family home at night. Sinodinos claims that this helped him form his early political views.
Sinodinos graduated from the University of Newcastle in 1979 with a Bachelor of Commerce with Honours. He then entered the Australian Public Service as a graduate recruit, working within the Department of Finance, before working in the Department of the Treasury between 1980 and 1987 and again between 1989 and 1995.
He was the Chief of Staff to the then Prime Minister of Australia John Howard from 1997 to 2006, after serving with him previously from 1987 to 1989 when he was Opposition Leader and rejoining him in 1995. As a close confidant of the Prime Minister, he was regarded as one of the most powerful people in the country.
He left to become a director with the investment bank Goldman Sachs JBWere, and became the Regional General Manager, Business and Private Bank at National Australia Bank. In 2008, he was part of a panel that mediated public input into the Defence White Paper. In March 2009, he was appointed Managing Director for Government, Education and Carbon Solutions, Institutional Banking, Business Banking Australia at the National Australia Bank.
Sinodinos became a director of Australian Water Holdings Pty Ltd (AWH) in 2008 and Chairman in 2010. Positions he resigned on becoming a senator. 
Sinodinos has served as Finance Director (2009 to 2011) and President (since 2011) for the NSW branch of the Liberal Party. Initially touted as a candidate for the lower house seat of Bradfield, on 2 November 2011 Sinodinos was appointed to the Australian Senate representing New South Wales. He replaced the Liberal Senator Helen Coonan, following her resignation. Sinodinos' original term was due to expire on 30 June 2014, however he was elected to a full six-year term, ending on 30 June 2020, in the 2013 election.
Senator Sinodinos is a Member of the Board of Global Panel Foundation - Australasia - a respected NGO that works behind the scenes in crisis areas around the world. The Australasia Chair is the Rt. Hon. Sir Don McKinnon, former Deputy Prime Minister of New Zealand and Commonwealth Secretary General, and the Vice Chair is Hon. Phillip Ruddock, current Majority Whip of the Australian Parliament and former Australian Attorney General. The Global Panel Foundation has offices and satellites in Berlin, Copenhagen, New York, Prague, Sydney and Toronto.
Sinodinos was appointed an Officer of the Order of Australia in 2008 for service to politics through the executive function of government, to the development of economic policy and reform, and to the Greek community.
- Sinodinos, Arthur (28 November 2011). Senator Arthur Sinodinos (transcript and streaming audio). interview with Julia Baird. Australia. Sunday Profile. ABC Local Radio. Retrieved 7 June 2012.
- "Search Australian Honours: SINODINOS, Arthur". It's an honour. Commonwealth of Australia. 9 June 2008. Retrieved 7 June 2012.
- "Biography for SINODINOS, Arthur". Parliament of Australia. 2011.
- "Tony Abbott's cabinet and outer ministry". smh.com.au. AAP. 16 September 2013. Retrieved 16 September 2013.
- "Arthur Sinodinos quits frontbench, but ICAC scrutiny set to continue". smh.com.au. 20 March 2014. Retrieved 20 March 2014.
- "PM'S chief of staff resigns". news.com.au. 8 December 2006.
- Kirk, Alexandra (2 October 2003). "Backroom politics with the PM's Chief of Staff". PM (ABC Radio) (Australia).
- Meterell, Mark (8 December 2006). "PM's top gun quits for bank". The Sydney Morning Herald.
- "Top Howard aide signs with Labor". The Sydney Morning Herald. 18 March 2008.
- "Profile of Arthur Sinodinos". Celebrity Speakers.
- "Australian Water Holdings: what you need to know". The Sydney Morning Herald. Retrieved 20 March 2014.
- Priestley, Andrew (16 June 2009). "Bradfield-ing the question: will Arthur Sinodinos be the next MP for Bradfield?". North Shore times. Retrieved 13 March 2012.
- "Howard adviser to claim Coonan's seat in Senate". The Age (Australia). 26 August 2011. Retrieved 11 September 2011.
- "Howard flinches during Sinodinos maiden speech". ABC News (Australia). 23 November 2011. Retrieved 13 March 2012.
- "Opinion: Arthur Sinodinos". The Australian. 2012. Retrieved 7 June 2012.
- Coorey, Phillip (10 June 2008). "High honours for Howard and his right-hand man". The Sydney Morning Herald.
- "Board of Directors: Arthur Sinodinos AO". Mary MacKillop Foundation. 2012. Retrieved 13 March 2012.
|Parliament of Australia|
|Senator for New South Wales