The Ambassador for Counter-Terrorism leads the Counter Terrorism Branch. As part of the International Security Division, the Counter-Terrorism Branch advances Australia's interests in countering terrorism and violent extremism through:

• Supporting efforts towards a comprehensive policy approach to combating terrorism internationally, including by recommending to Ministers priorities for international counter-terrorism engagement
• Build and maintain international links by leading negotiations on counter-terrorism cooperation and holding regular consultations with partner countries
• Support and coordinate capacity-building initiatives by Australian agencies
• Support and develop international initiatives that build resilience against violent extremist groups and build social cohesion
• Coordinate efforts to ensure Australia's effective implementation of its obligations under United Nations counter-terrorism instruments
• Manage the listing of individuals and organisations under Australia's counter-terrorism sanctions framework