Birt was Deputy Bailiff 2000-09 and
Bailiff 2009–15. A group of protesters demonstrated outside Birt's swearing-in ceremony in the
Royal Court of Jersey, angry about decisions not to bring more prosecutions following investigations into child abuse in Jersey. Since 2018, he is a Judge of the Court of Appeal of the
Cayman Islands and a Commissioner of the
Royal Court of Jersey since 2015. ==Honours==