AAI International Advisor for the United Kingdom. John Fingleton was Chief Executive of the Office of Fair Trading from 2005 to 2012, having previously run the Irish Competition Authority. As an academic economist at the London School of Economics, Trinity College Dublin and the University of Chicago, he wrote and taught game theory, economics of industry and regulation. In government, he oversaw merger regulation, enforcement of competition rules, consumer protection, and credit regulation. He has been a strong advocate for the removal of government restrictions on competition and supply side reforms to improve productivity growth.