The 63-year-old, reflecting on her international upbringing, described her journey in her inaugural speech as leader, calling it a “migrant story”.

So what do we know about Sussan Ley and what can we expect from her leadership?

Who is Sussan Ley?

“It was a way of expressing yourself exclusively based on your own identity without adopting anyone else’s perspectives. I appreciated that,” she mentioned to SBS News.

As a grandmother to six, she also pursued higher education as a mature student, achieving a bachelor’s degree in economics alongside masters in tax and accounting.

Life in politics: from same-sex marriage flips to class actions

On Tuesday, as the Opposition’s party leader, she says she views the issue differently, highlighting she has since been on a trip to Israel.

Australia Day became a public holiday in 1994 and marks the day the First Fleet landed in Sydney Cove in 1788. But many Australians, both Indigenous and non-Indigenous, now refer to it as Invasion Day or Survival Day.

What can we expect from her leadership?

Ahead of the leadership decision, experts told SBS News that Ley could take a more moderate approach to leadership than her predecessor Peter Dutton.

“When we see the number of teal representatives, and the lack of female Liberals, its clear that professional women voters have departed from the Liberal Party,” he said.

“The Liberal Party no longer knows has the support of particularly younger people and professional women. So the attractiveness of Sussan Ley would be that she would be seen as somebody who could attract or entice back the female vote.”