Alejandro Arellano Cedillo (Olías del Rey, 8 June 1962) is a Spanish Catholic cleric, professor and jurist who has been theDean of the Roman Rota since March 2021.[1] Studied for priesthood at Instituto Teológico San Ildefonso[2] and subsequently ordained on 25 October 1987 inToledo, he has obtained a Licentiate and Doctorate in Canon Law from thePontifical Gregorian University. He was deputy judicial vicar in theMetropolitan Archdiocese of Madrid and judge in the Tribunal of the Rota of theApostolic Nunciature to Spain. He is a professor ofCanon Law and Jurisprudence. Arellano Cedillo has been prelate auditor of theRoman Rota since 2007. In 2021, Arellano Cedillo was appointed a consulter of theCongregation for the Institutes of Consecrated and the Societies of Apostolic Life.[3] He is a member of Special Commissions for the handling of causes of dispensation from ratified and unconsummated marriage and for the handling of causes of dispensation from the obligations of the diaconate and the priesthood.[4][5][6] Arellano Cedillo was appointed the titular bishop of Bisuldino, with the personal title of Archbishop, on 2 February 2023.[7]