Mark is the Director General of the Institute of Economic Affairs, a hugely influential free market think tank in London. He is a strong proponent of liberalism, and has campaigned a great deal for civil liberties, opposing government intrusions such as identity cards. Mark is also very pro-European, having formerly been Chief Press Spokesman for the Pro Euro Conservative Party. He frequently comments on political and economic issues on television and radio, including Question Time and Newsnight. He has also written for a range of national and international publications, and is a regular blogger on the Daily Mail's 'RightMinds' website.