William McAuliffe is the Head of Disciplinary at UEFA where he leads a unit providing support to the UEFA Organs for the Administration of Justice and represents UEFA in proceedings before the Court of Arbitration for Sport (CAS) in Lausanne.

Previously William was a senior associate in Lévy Kaufmann-Kohler in Geneva where he advised agents, athletes, clubs, and governing bodies on sports related disputes and regularly appeared as counsel before the CAS. An Irish qualified solicitor, also admitted to practice in England and Wales. William holds a law degree from University College Cork and an LLM in European Law from University College Dublin.

He is also a graduate of the FIFA Master in Management, Law and Humanities of Sport organised by the International Centre for Sports Studies (CIES) in Neuchâtel, Switzerland.