Lord Chief Justice is the name given to the judge who presides over the Queen's Bench Division of the High Court. Since the passing of the Constitutional Reform Act 2005 the Lord Chief Justice is now Head of the Judiciary of England and Wales, a role previously performed by the Lord Chancellor. In addition, he is President of the Courts of England and Wales and responsible for representing the views of the judiciary to Parliament and the Government.
Further information on this subject can be found from the following links.
Ministry of Justice website (opens a new browser window)
Related glossary term: Master of the Rolls