Roy is an attorney-at-law, at Probst Partner AG, Zurich, Switzerland. He specialises in litigation and arbitration relating to sports law e.g. disciplinary and ethical matters (challenging sanctions), transfer disputes, training compensation, eligibility issues, TV rights, doping, match fixing, players/agents contracts. He regularly represents clubs, federations, players and coaches before the judicial bodies of FIFA, UEFA and the Court of Arbitration for Sport (CAS). He also has expertise in employment, intellectual property and media law.

Roy has worked at the District Court of Bülach from 2001-2003 and Ernst & Young from 2005-2010.

Besides his Master in Law from the University of Zurich, Roy has an International Master in Management, Law and Humanities of Sport ("FIFA Master"), and is a member of the Swiss Sports Law Association (ASDS), the International Association of Sports Law (IASL) and the Swiss and Zurich Bar Association.

Languages include German, English, French and Hebrew.