Mumbrellacast

17 December 2025 In this week's Mumbrellacast, our hosts discuss the latest leader movements at ARN; Christian O'Connell's introduction to Sydney; the media coverage of the Bondi Beach terrorist attack; and the biggest developments in AI this year. Join Nathan Jolly, Tim Burrowes, Cat McGinn and Abe Udy for a look at everything under Australia's media and marketing umbrella.