Professor MacGregor is Professor of Cardiovascular Medicine at the Wolfson Institute of Preventive Medicine and Honorary Consultant Physician at Barts and The London.

He is Chairman of Blood Pressure UK, recently served as President of the British Hypertension Society, and he is founder and Chairman of CASH, the Consensus Action on Salt and Health and WASH (World Action on Salt and Health) and Action on Sugar, which has been working with great success to slowly reduce the salt and sugar of all processed foods and increase public awareness surrounding salt, sugar and its effects on health.

Professor MacGregor’s research work has focused on the mechanisms underlying the rise in blood pressure in hypertension, the importance of the renin-angiotensin system, and the influence of salt and potassium intake.  His research has also focused on better ways of treating patients, particularly non pharmacological ways, and also the better use of drugs for the treatment of high blood pressure.