Cathy was a Consultant in Pain Medicine for 23 years and is now Clinical Lead for Pain Transformation in NHS Gloucestershire ICB. She writes and lectures nationally and internationally on pain, evidence, and opioid therapy. Cathy contributes to work of (the former) Public Health England, MHRA, ACMD, NHS England/Improvement, and the Cochrane collaboration. She was member of the International Association for the Study of Pain International Taskforce on Opioids and for the WHO Guideline on Cancer Pain She was Clinical lead for the NICE Guideline on Chronic Pain and topic advisor for the NICE Guideline on Safe Prescribing and Withdrawal Management of Medicines Associated with Dependence. She provided in-reach pain services to five prisons in the South West of England and frequently contributes to conversations about pain, opioids and painkiller addiction in both written and broadcast media.