He has been responsible for the education and training of specialist cardiology trainees at the Royal Brompton Hospital. He runs the undergraduate cardiology medical course for final year medical students for Imperial College at the Royal Brompton campus. He chairs the Final Year Cardiology course committee at Imperial. Professor Collins’ research interests include coronary flow control mechanisms, both in normal and disease states including ischemic heart disease, hypertension and heart failure, and the role of the endothelium in cardiovascular physiology and pathophysiology. His research on the endothelium led to work investigating the vascular effects of a number of different hormones including, oestrogens, progestins, androgens, SERMS and phytoestrogens, to identify the mechanisms of action and effects of these hormones in the cardiovascular system. He has extensively researched the rare but complex condition, previously known as Cardiac Syndrome X (now termed Microvascular Dysfunction), a condition of chest pain in the absence of obstructive coronary heart disease, and has established a number of new treatment modalities for this difficult-to-manage syndrome.