Chair, National Institute of Health and Care Excellence (NICE) Technology Appraisal Committee;
Chair, Expert Advisory Group on Cardiovascular, Diabetes, Renal, Respiratory and Allergy Commission on Human Medicines (CHM);
Commissioner, Commission on Human Medicines;
Chair, World Health Organization (WHO) Technical Advisory Group – Diabetes;
Former Chair, NICE Clinical Guidelines for Newer Agents for Type 2 Diabetes