Stewart was inducted as a constable to the Queensland Police Force with registered number 8661 on 14 December 1973, after growing up in Toowoomba.

[2] He completed a Master of Public Policy and Administration and a Bachelor of Business qualifications.

[4][2][5] On 1 January 2013 Stewart announced the commencement of the Queensland Police Service Renewal Program, which included organisational restructure.

[7][3] Stewart however prior to contract expiry announced his retirement on 25 February 2019 to take effect in July 2019.

[8] On 18 October 2019 Stewart was named the new State Recovery Coordinator by Premier Annastacia Palaszczuk.