Longtime manager of Australian band INXS, from 1979 until 1995 and again in the 2000s.
In 2001 he launched Petrol Electric Records.
Managed the group Models during the 1980s.
Before he passed away he was developing a retirement community for musicians and music industry professionals in New South Wales, Australia.
Worked at his father's theatrical booking agency Mark Murphy & Associates since he was a teenager.
In 2014 he launched Murphy Rights Management. In 2018 he signed the Australian country group The Buckleys.
In 1988, he launched independent record label rooART, which was home to such acts as Crash Politics, The Hummingbirds, Ratcat, You Am I, Wendy Matthews and The Screaming Jets.