Sir Alasdair Breckenridge has a medical career as a pharmacologist that totals close to 60 years. Sir Alasdair Breckenridge liaises with the Home Office and the Medicines and Healthcare products Regulatory Agency (“MHRA”), which he has chaired, for the legalisation of medicinal cannabis in the UK.

In the 1995 Birthday Honours for services to medicine and to healthcare, Sir Alasdair Breckenridge was appointed Commander of the Order of the British Empire and received his knighthood in the 2004 New Year Honours for services to medicine. His clinical pharmacology career includes research on hypertension, being one of the first to link insulin resistance with cardiovascular disease, oral contraceptive steroids, drug metabolism, onchocerciasis, malaria, HIV and various other fields and treatments.