This Day Tonight
He first appeared on This Day Tonight in 1967.
News director for the Nine network
By 1975 Stone was news director for the Nine Network.
A 10 May 2007 newspaper report in the Daily Telegraph stated that in August 1975 Stone
- ... went to Dili with Kerry Packer and cameraman Brian Peters, one of those later killed.
- Mr Stone said he and Mr Peters came under fire and Nine boss Mr Packer's voice could be heard on tape shouting: 'Come back.'
Sixty Minutes
He was the first executive producer of the successful Australian version of "60 Minutes", which made television stars of Ray Martin, Jana Wendt and George Negus.
Fox
Stone served as head of current affairs for Rupert Murdoch's Fox Network in New York.
Channel 7
He returned to Australia to take up the position of network head of current affairs for Channel 7.
SBS deputy chairman
Stone was appointed a deputy chairman of SBS.