Sir John Frank Mummery DL ( born 5 September 1938 ) is a former Lord Justice of Appeal .
Is President of the Investigatory Powers Tribunal and member of the Court of Ecclesiastical Causes Reserved in the UK .
Sir John Frank Mummery DL ( born 5 September 1938 ) is a former Lord Justice of Appeal and is President of the Investigatory Powers Tribunal and member of the Court of Ecclesiastical Causes Reserved in the UK .