In changes across the Nova network, Sydney Mornings presenter Greg Burns (pictured) will now be heard in Melbourne, Brisbane and Adelaide. Brisbane’s current morning presenter Katie Mattin will move to afternoons replacing Tim Wong-See who is expected to leave the station. In Adelaide morning presenter Cale Porter is likely to move to weekends. Gemma Varone in the Perth newsroom and Melbourne News Editor James Royce will leave the company. Adelaide Program Director Dave Shearer has left the network.