Dean of (the) Arches is the judge who sits at the ecclesiastical court of the Archbishop of Canterbury in England. This appeal court is commonly called the  Arches Court.
The Dean of Arches is a joint appointment of the Archbishop of Canterbury and the
Archbishop of York; he serves the same role in the latter's Chancery Court where he or she has the title of Auditor. The Dean of Arches also acts as Master of the Faculties.
The current Dean of Arches is Charles George,
QC, who succeeded the Right Worshipful Dr Sheila Cameron on 1 May 2009. 
List of Deans of the Arches [ edit ]
Charles George, QC
Sheila Cameron, QC
John Owen, QC
Rev'd Kenneth Elphinstone, QC
Harold Kent, GCB QC
Walter Wigglesworth, QC
Rt Hon Sir Henry Willink, Bt MC QC
Philip Wilbraham-Baker, KBE
Lewis Dibdin, KC
Sir Arthur Charles
Stephen Lushington 
Sir John Dodson 
Sir John Nicholl
Sir Edward Simpson
John Bettesworth 
Sir Richard Lloyd
Henry Marten 
Robert Weston (afterwards Lord Chancellor of Ireland, 1567)
David Pole (afterwards Bishop of Peterborough, 1557}
John Story (afterwards MP for East Grinstead, 1553 and Bramber, 1554)
William Coke or Cooke (1st lay dean)
John Cock (or Cockys)
Richard Gwent (died 1543) (also Archdeacon of Brecknock, 1534 and Archdeacon of London, 1534) and Archdeacon of Huntingdon, 1542) 
Richard Bodewell or Blodwell
Humphrey Hawardyn 
John Morton (cardinal), afterwards Bishop of Ely, 1478 and Archbishop of Canterbury, 1486 
William Wytham (also  Dean of Wells, 1469–1472)
William Lyndwood (also Archdeacon of Stow, 1434)
Thomas Beckington (also Archdeacon of Buckingham, 1424–1443 and afterwards Bishop of Bath and Wells, 1443} 
John Stafford afterwards Archdeacon of Salisbury, 1419)
William de Wittersley
John de Carleton
Simon Islip (afterwards Archbishop of Canterbury, 1349)
John de Stratford (afterwards  Bishop of Winchester, 1323)
John de Ross (?afterwards  Bishop of Carlisle, 1325)
William de Sardinia
William de Middelton
John de Ufford
^ Details of that court's responsibilities: Ecclesiastical court#Church of England.
^ "Dean of the Arches and Auditor of the Chancery Court of York". Archbishop of Canterbury. 2009-05-01 . Retrieved . 2012-01-06
^ a b ODNB
^ YourArchives page.
^ The in its first edition had Hugh Barker Dean c.1632 Dictionary of National Biography s:Barker, Hugh (DNB00); but this was retracted in the 1904 Errata.
^ a b c d e f g h i j k l m n o p q Newcourt, Richard. Repertorium Ecclesiasticum Parochiale Londinense: Comprising all London and .. p. 434. Google Books
^ Senior, William (1927). "The Judges of the High Court of Admiralty". The Mariner's Mirror. 13 (4): 336. doi: 10.1080/00253359.1927.10655437.
^ The parliamentary history of the principality of Wales, from the earliesr times to the present day, 1541-1895
^ "The 1552 Reform of English Church Discipline" (PDF) . Retrieved . 2012-05-26
^ Worcestershire Archive and Archaeology Service, Register of John Carpenter, bishop of Worcester, 2 vols, II, fol.53. This source is open to question, however, as the text simply describes Morton as rector of St Dunstan-in-the-East in the deanery of the arches; it does not actually call him the dean. There are no other known references to Morton as dean.
^ Cocks, Terence. "The Archdeacons of Leicester 1092-1992" (PDF) . Retrieved . 2012-01-15