Gary arrived in Australia from Yorkshire, England in 1966 and settled with his family in state housing in Whyalla, South Australia.
1981 - graduation from the Australian National University, Canberra with a degree in economics.
1983 - education studies education at the University of Western Australia.
1993 - 2000 National Secretary of the ALP.
2000 - Executive Director of the West Australian Institute for Medical Research.
2001 - 2007 : Director of Corporate Affairs and a member of the company executive team at Woodside Energy.
2007- Parliamentary Secretary for Regional Development and Northern Australia in the Labor Government.
2009 - Parliamentary Secretary for Western and Northern Australia.
2010 - Special Minister of State for the Public Service and Integrity.