(02) 6240 3200 4 National Circuit, Barton ACT 2600 Key People Head of Office Dr. Lisa Studdert Assistant Commissioner A/g, Data and Digital Stream Hudan Nuch Canberra Phone 02 6240 3230 Assistant Commissioner, GST Review (2026) Peter Johnson (02) 6240 3203 Assistant Commissioner, Industry and Trade Stream Catie Bradbear Canberra Phone 02 6240 3320 Further information Postal Address GPO Box 1428, Canberra City ACT 2601 Last updated: 8 May 2023