His Honour Humphrey LLoyd QC, M.A., LL.B, LL.D. (Hon) is an arbitrator of many international disputes. He practises at Atkin Chambers, London. From 1993–2005 he was a judge of the Technology and Construction Court, which is part of the High of Justice of England and Wales. From 1963 until he became a judge, he was a barrister, becoming a QC in 1979. He became a Bencher of the Inner Temple in 1985 and was Chairman, Estates Committee and Member, Executive Committee 1987–1994.

He was a founding member of the Society of Construction Law and its President, 1985–1988. In 2004 he was awarded the President’s Medal for services to construction law.

He is an Honorary Professor at Queen Mary, University of London where he has taught International Construction Contracts and Arbitration for the Centre of Commercial Law Studies since 1986. He is a Visiting Professor at Leeds Metropolitan University which in 2009 conferred on him an honorary LL.D. for services to construction law and arbitration, the first person in the United Kingdom to be so honoured.

He has been an Editor-in-Chief of The International Construction Law Review since its foundation in 1983.   He was an Editor-in-Chief of the Building Law Reports from 1977 until 1993 and Legal Correspondent, Building 1977–1993, and is Consultant Editor to Emden’s Construction Law and to the Construction Law Service and the Technology and Construction Law Reports.

He is a member of the European Society of Construction Law, an Honorary Fellow of the American College of Construction Lawyers (1997), and of the Canadian College of Construction Law (2002). He is a FCIArb, a Chartered Arbitrator, an Arbitrator Member of the Society of Construction Arbitrators (SCA) and Chairman of the Review Body for the UK Construction Industry Model Arbitration Rules, published by the SCA.

He served on the Commission on International Arbitration of the International Chamber of Commerce (ICC) from 1980. He co-chaired and co-authored the ICC Report on Construction Industry Arbitrations and led the writing of a Guide to Drafting Awards in International Arbitration for the ICC. Both reports were published in the Bulletin of the ICC. He also served on ICC working parties or task forces on Terms of Reference, Multi-Party Arbitration, Arbitration and Construction, the Pre-Arbitral Referee Procedure (of which he was co-chairman), Small Claims, IT and Arbitration, Experts, Time and Cost, Rules Revision etc,

He was an Appointed Member, UK Architects Registration Board, 2001–7 and its Chairman 2003– 2007. He acted as one of the advisers to UK Government Department of Trade & Industry on proposed changes to Construction Act 2006-2007.