Gayle is an arts and law graduate from the University of Adelaide. Gayle spent many years working for the NSW Attorney General’s Department before moving into the Attorney General’s Ministerial Office in 1998, and then the NSW Police Minister’s Office in 2000.
Following this time in state government, Gayle worked as a Director in a number of NSW councils, primarily looking after service delivery and assets. She developed and delivered a number of waste and recycling contracts on behalf of councils, as well as managing environment and regulatory departments, including rangers and compliance officers.
After two years of being a stay-at-home mum, Gayle returned to work in 2013 at Visy. In November 2016, Gayle joined Waste Management & Resource Recovery Association Australia (WMRR), Australia's national peak body for the WMRR industry, as Chief Executive Officer.
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