Ex-Senate president ambassador to Canada

Foreign Minster Marise Payne announced Mr Ryan's new appointment on Monday while unveiling Australia's latest representatives to the United Nations, Vietnam, Indonesia, and Timor-Leste. 

Senior Department of Foreign Affairs and Trade career officer William Costello will be the next ambassador to Timor-Leste.

Another DFAT career officer, Amanda Gorely, is Australia's next ambassador to the United Nations in Geneva.

The government is also sending Fiona Hoggart and Sarah Hooper to be consular-generals in the Indonesian city of Surabaya and Ho Chi Minh City in Vietnam, respectively.