The Commissioner is supported by an executive team and dedicated and hardworking employees.

Independent Commissioner Against Corruption, the Honourable Ann Vanstone QC

The Commissioner

The Hon. Ann Vanstone KC

​On 27 July 2020 it was announced that former Supreme Court Justice, the Honourable Ann Vanstone KC, would be South Australia’s second Independent Commissioner Against Corruption (ICAC).

Commissioner Vanstone was admitted as a Barrister and Solicitor of the Supreme Court of South Australia in 1978. She was appointed Deputy Crown Prosecutor in 1988 and, upon the establishment of the Office of the Director of Public Prosecutions in 1992, Deputy Director.

In 1994 she was appointed Queen’s Counsel. Later in 1994, Commissioner Vanstone left the Director’s office and joined the Independent Bar, where she took briefs in a number of areas. In 1999 she was appointed a Judge of the District Court of South Australia. In 2003 Judge Vanstone was appointed a Justice of the Supreme Court of South Australia. She remained a Justice of that Court until she resigned in 2019.

Commissioner Vanstone commenced her term as Commissioner on 2 September 2020. Her appointment is for a term of seven years.

Photo of Deputy Commissioner Paul Alsbury

The Deputy Commissioner

Paul Alsbury

Paul Alsbury has a Bachelor of Business (Accountancy) (QUT), a Bachelor of Laws (QUT) and a Master of Laws (QUT), and is a Graduate Member of the Australian Institute of Company Directors. He was originally admitted in Queensland as a Solicitor in 1999.

Paul has around 20 years’ experience in the Queensland public sector, including as a Crown Prosecutor with the Office of the Director of Public Prosecutions, Executive Director (Legislation and Standards) with the Department of Transport and Main Roads, and Executive Director (Legal Division) with the Queensland Police Service. He most recently held the position of Senior Executive Officer (Corruption) at Queensland’s Crime and Corruption Commission.

Paul commenced his role as the Deputy Independent Commissioner Against Corruption on 14 February 2022.

The Commissioner's leadership team

Katie-Jane Orr (Acting)

Katie-Jane is a graduate of the University of Adelaide with a Bachelor of Science (Honours) and a Bachelor of Laws (Honours). She was admitted to practice as a Barrister and Solicitor in South Australia in 2006.

Katie-Jane has spent most of her career working as a Prosecutor, both with the South Australian Office of the Director of Public Prosecutions and also at the Victorian Office of Public Prosecutions.

Katie-Jane joined the ICAC in February 2021 as a senior legal officer before commencing in the role of Acting Director Legal Services in December 2021.

Andrew Baker

Andrew Baker has worked in law enforcement for 27 years. He commenced his career as a South Australia Police officer in general uniform policing before being promoted to Detective. He has worked in various criminal investigation units including major fraud and internal investigations. Andrew also spent two years working in the United Kingdom as an Anti-Piracy Senior Investigator.

He commenced with the ICAC in 2013 as a senior investigator before being appointed Manager Investigations. Andrew was appointed Director Investigations on 1 July 2016.

Tracy Riddiford

Tracy spent her early career working in film and television, where she performed various roles including sales, marketing and communications, management, and production. She later established a publishing company that specialised in the production and publishing of drama based education content. Tracy wrote, produced and directed many award winning educational films and curriculum for international distribution. She has also Co-Produced and Executive Produced documentaries for broadcast television.

Tracy is a graduate of Flinders University with a Bachelor of Justice. She joined the management team of the Independent Commission Against Corruption in 2013 and leads the Commissioner’s communications, education and research agenda.

Fiona Gowen

Fiona is a graduate of University of South Australia with a Degree in Psychology and a Degree in Business Management (Human Resources).

In 2008 Fiona established a small business, which she managed for seven years. She joined the Independent Commission Against Corruption in 2015 as part of the Corporate Services team.

Fiona now leads the corporate service operations of the Commission, which includes governance, financial management, human resources, information and technology, data management and facilities management.