Master Whitaker is the Senior Master of the Supreme Court of England and Wales in the Queen’s Bench Division, the Queen’s Remembrancer and a former barrister.

He manages the specialist list for mesothelioma and other asbestos related claims at the Royal Courts of Justice in London. He was one of the judicial members of the Civil Procedure Rules Committee of England and Wales from 2002 - 06 and was also a member of one of the judicial advisory groups advising the Secretary of State on the use of IT in the Civil and Family Courts.

He is the Honorary President of LiST. He was trained as a mediator by CEDR in 2003 and is a member of the Senior Editorial Board of the White Book. He is the Central Authority for England and Wales under the Hague Conventions on Service and the Taking of Evidence. He is a frequent speaker at conferences and seminars on e-disclosure and on the management of asbestos related claims.