As executive director of Central and Northern Regions at Main Roads WA, John Erceg was responsible for providing asset management, maintenance and project delivery across the central and northern areas of Western Australia. He also had statewide responsibility for asset management and regional contract delivery strategy, policy and functions. In addition to having worked throughout the state, Mr Erceg held leadership positions in heavy vehicle operations, Austroads and had international experience in network operations. Mr Erceg was promoted to managing director in September 2022.