Lord Clement-Jones 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.

He is a member of the Saudi–Britain Joint Business Council, a Law Society Ambassador to the City of London; an Icebreaker Fellow and Vice-President of the 48 Group Club, a business network which promotes links with China.

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 (the Association of Insurance and Risk Managers in Industry and Commerce) and of the Faculty of Corporate Finance of the ICAEW.

Tim was Chairman of the Liberal Party from 1986 to 1988 and played a major part in the merger with the Social Democratic Party to form the Liberal Democrats. He was made CBE for political services in 1988 and a life peer in 1998. He was Federal Treasurer of the Liberal Democrats from 2005 to 2010. He is now Liberal Democrat Spokesman on the Digital Economy.

He is Chair of the House of Lords Select Committee on Artificial Intelligence (2017-2018) and a former member of the Select Committees on Communications (2011-2015). 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 and Vice Chairman of the All-Party Parliamentary Groups on Publishing; Writers; and Intellectual Property.

Tim is a Consultant to DLA Piper, former positions held include London Managing Partner (2011-2016), Head of UK Government Affairs and Chairman of China and Middle East Desks.