Eddie Jones will make an immediate impact on his return to Australia, for which "there was always writing on the wall", according to former England captain Chris Robshaw.
Jones was dismissed by England in December but replaced Dave Rennie as the Wallabies' coach on Sunday, taking up a role he previously held between 2001 and 2005.
Defeats in November to France, Ireland and particularly Italy proved the final straw for New Zealander Rennie, paving the way for Jones to return in time for the 2023 Rugby World Cup.
The Australian was in charge when the Wallabies lost to England in the 2003 World Cup final, and Robshaw always expected Jones to return in a bid to complete unfinished business.
Speaking on behalf of Sage, powering the Smart Ball at the Six Nations, Robshaw told Stats Perform: "He was a proud Australian man and I think there was always writing on the wall that one day he will be back in Australia coaching.
"They're in a bit of a tough place in terms of their confidence. They had a tough tour in England, and it's no doubt he'll be able to go and shake things up and have an immediate impact.
"It is his man-management, which is brilliant, and his ability to get the best out of people because they have a good team and they have some good players.
"But how do you turn it around quickly and generally? That's all kind of up in the air."
Jones will aim for glory at the World Cup in September, having led both Australia and England – in 2019 – to the final as well as defeating South Africa with underdogs Japan in 2015.
Former British and Irish Lions captain Sam Warburton believes Jones wants to be on the biggest stage to shine, as does Warren Gatland, who made a similar return to retake the role as Wales coach.
Warburton said: "I like him, and at least in the same way as Warren [Gatland], they're international coaches. They need that international kick.
"I can't imagine Eddie being a club coach anymore, same with Warren. I think Warren wanted to just be back in the international helm and Eddie wants to be back in the international helm.
"In front of 80,000 people, he will turn to a press conference of people talking about pressure, he'll be laughing inside, he wouldn't be doing the job this long at such a high level if he didn't truly love it.
"I really respect him. He's gone straight back into the deep end with international rugby with Australia, and he's got a World Cup; that's what he needs to thrive, so it is not really surprising.
"If you said in the Autumn Series, Warren Gatland and Eddie Jones are going to clash somewhere in the World Cup, then you'd be thinking how was that going to be.
"I don't think anyone would have thought it would have been Wales and Australia. Compared to where we were three months ago, it is a great story, and it's going to develop a great subplot going into the group stage of the World Cup."