Simon is Professor of Health Economics at the Australian Health Services Research Institute, Sydney Business School and the University of Wollongong & author of the 2017 Health Economics From theory to Practice text published by Springer.

Critically for medicinal cannabis policy making, chapter 12 addresses the US National Academy of Science call for public health evidence synthesis and health economic analysis for optimising Medicinal Cannabis health, economic and environmental impacts in cultivation and provision of medicinal cannabis with precision medicine for optimising net benefit in palliative populations of pain management, the most prevalent indication.

Simon has actively sat on advised, undertaken guideline revision and education for National bodies including the Pharmaceutical Benefits Advisory Committee Economic Sub-Committee (PBAC ESC 2005-2010), National Palliative Care Trials Scientific Committee (2006-2014), Prostheses List Advisory Committee (2012-2014), Victorian Cancer Agency (2015-) and Food Standards ANZ (2017-) as well as various NHMRC grant review committees