 Based in Paris in 2013 and 2014 as a Research Fellow and Editor with the World Association of Newspapers and News Publishers (WAN-IFRA) and the World Editors Forum, she edited the flagship publications Trends in Newsrooms 2014 and Trends in Newsrooms 2015 In 2010, she was targeted by the right wing Murdoch newspaper 'The Australian' and threatened with legal action, after reporting, via Twitter, critical comments made by one of the newspaper's former reporters during a journalism conference in Sydney.This episode became known as "Twitdef"



Posetti began her career as a cadet journalist with the Wollongong commercial radio station 2 Double O (now i98fm) and WIN TV in 1989.She was a reporter and newsreader with the station (owned by the WIN group) and she won the Australian Journalists' Association's regional Cadet Journalist of the Year award in 1989.