John Cockcroft is a Professor of Cardiology, Department of Cardiology, Wales Heart Research Institute, University of Wales College of Medicine, Cardiff, Wales, in the United Kingdom. He is a member of the British Medical Research Society, British Medical Association, the International, European, British, and American Societies of Hypertension, and the European Society of Cardiology, and is also a reviewer for The Lancet, British Medical Journal, Circulation, Hypertension, Journal of Hypertension, American Journal of Hypertension, Heart, European Heart Journal, JACC, and JAMA.