Lord Clement-Jones is a Partner and Head of UK Government Affairs. Former positions held include London Managing Partner from 2011 to 2016, Chairman of China and Middle East Desks, International Business Relations Partner and Co-Chairman of Global Government Relations.

Tim has long experience of parliamentary affairs in the UK, EU and internationally, and has advised governments, blue chip companies and trade associations operating in highly regulated fields including financial services, utilities, health, pharmaceuticals and the environment. A communications professional and a solicitor, Tim is former Group Company Secretary and Legal Adviser of Kingfisher Plc where he coordinated Kingfisher's contribution to the Shopping Hours Reform Campaign which led to the Sunday Trading Act 1993. He introduced and ensured the passage through the House of Lords of the 2003 Tobacco Advertising and Sponsorship Act and the Live Music Act 2012.

He is Chair of Ombudsman Services Limited, the not for profit, independent ombudsman service that provides dispute resolution for the communications, energy, property and copyright licensing industries. He is a member of the Advisory Board of Airmic (Association of Insurance and Risk Managers in Industry and Commerce) and Board Member of the Corporate Finance Faculty of the ICAEW. He is a member of the Saudi–Britain Joint business Council.

Tim was made a life peer in 1998. He is the Liberal Democrat spokesman for the Digital Economy and a former spokesman on the Creative Industries.

He is Chair of the House of Lords Select Committee on Artificial Intelligence (2017-) and a former member of the Select Committees on Communications (2011-2105) and the Built Environment (2015-2016). He is Co-Chairman of the All-Party Parliamentary Group on Artificial Intelligence. He is Deputy Chairman of the All-Party Parliamentary Group on China.