Mark Pearson is Deputy-Director for Employment, Labour and Social Affairs (ELS) at the Organization for Economic Co-operation and Development (OECD). He joined the Organization in 1992 and has held various positions throughout his tenure. In 2009, he became Head of the Health Division where the central focus of work has been on how to deliver health care with greater efficiency, including putting much more effort into prevention of obesity and harmful use of alcohol. He gave evidence to the U.S. Senate on ‘Obamacare’, and has been on a panel advising the Chinese government on its health reforms. Prior to joining the OECD, Pearson worked for the Institute for Fiscal Studies in London, and also as a consultant for the World Bank, the International Monetary Fund (IMF), and the European Commission. He has a degree in Politics, Philosophy and Economics from Oxford, and an MSc in Economics and Econometrics from Birkbeck, University of London.