Poh, 46, is a former MasterChef contestant-turned-mentor. She came runner up in the first season of the show in which Julie Goodwin took the top gong.
Queen of the kitchen, Maggie Beer, 74, best-known for her Pheasant Farm in South Australia's Barossa Valley, is another regular guest judge on MasterChef, as is Michelin-star-winning chef and restaurant owner Curtis, 43, who has hosted numerous British and Australian cooking shows down through the years.
A MasterChef insider exclusively confirmed the appointments and said Ten would be making the news official tomorrow.
It comes after Matt, Gary and George could not agree on new contracts.
The Sydney Morning Herald claims that the trio - each on salaries in excess of $1 million - walked after 10 refused to up their pay by more than 40 per cent.
The Fair Work Commission has fined Calombaris $200,000 for underpaying 515 staff to the tune of $7.83million between 2011 and 2017.
Staff have been repaid but the scandal lingers, with George not only out of his WA tourism gig, but now out of TV as well.
