(02) 6136 1000 Nishi Building, 2 Phillip Law Street CANBERRA ACT 2601 Sections Integrated ServicesPeople / Chief People OfficerCommunication BranchGovernment Services Key People A/g First Assistant Secretary Ms. Susan Charles 6136 8605 susan.charles@infrastructure.gov.au Further information Postal Address GPO Box 2154 Canberra ACT 2601 Last updated: 18 September 2025