Michael Drummond, BSc, MCom, DPhil is Professor of Health Economics and former Director of the Centre for Health Economics at the University of York. His particular field of interest is in the economic evaluation of health care treatments and programmes. He has undertaken evaluations in a wide range of medical fields including care of the elderly, neonatal intensive care, immunization programmes, services for people with AIDS, eye health care and pharmaceuticals. He is the author of two major textbooks and more than 650 scientific papers, and has acted as a consultant to the World Health Organization and the European Union. He has been President of the International Society of Technology Assessment in Health Care, and the International Society for Pharmacoeconomics and Outcomes Research. In October 2010 he was made a member of the Institute of Medicine in the USA. He is currently Co-Editor-in-Chief of Value in Health.