She is the first woman to serve as the head of the judiciary of England and Wales since the inception of the office of Lord Chief Justice in the 13th century.

Carr previously served as a High Court judge from 2013 to 2020 and a Lady Justice of Appeal from 2020 to 2023.

[4] On 6 May 2009, Carr was appointed a recorder,[5] and was approved to serve as a deputy High Court judge.

[3] In April 2011, Carr was appointed Disciplinary Commissioner in proceedings before the International Criminal Court.

[13] On 15 June 2023, Carr's appointment as Lord Chief Justice of England and Wales was announced.

[15][16][17] Carr chose to be styled Lady Chief Justice and succeeded Lord Burnett of Maldon on 1 October.