Lisa joined the New South Wales Food Authority as its chief scientist in January 2006 and became its chief executive officer in 2015. The Food Authority is a statutory authority in Australia's most populous state and is responsible for food regulation across the food supply chain.

Prior to joining the New South Wales Food Authority, Lisa worked at the Commonwealth Scientific and Industrial Research Organisation for 11 years. There she led and managed long-term research projects for various food industry sectors.

Lisa has a Bachelor of Science degree with Honours and a Doctor of Philosophy degree in microbiology from the University of Queensland. She had post-doctoral research experiences in the United Kingdom and Germany. Lisa has been an expert advisor or member on several international, national, and state government inquires and committees. In the Australia New Zealand bi-national food regulatory system, Lisa represents the interests of New South Wales.