She has worked at chief executive level in private industry and a government utility.
Murphy graduated from the University of Western Australia with a Bachelor of Civil Engineering in 1979.
She rose to chief executive officer of its Minerals and Infrastructure Division before she left in 2004 to join Water Corporation.
[2] After four years as general manager of planning and infrastructure, Murphy became chief executive officer in 2008.
[3] Other board roles include Western Australian Treasury Corporation and Fremantle Football Club.