Perry was Associate to the Hon. Justice Susan Crennan of the High Court of Australia in 2008-2009.
Before his Associateship, Perry was a lawyer in the litigation department at Allens Arthur Robinson. In addition to general commercial litigation, his work included construction and insurance litigation as well as insurance advice. While at Allens, Perry also spent time in mergers and acquisitions, where he worked on various takeover bids and schemes of arrangement.
Perry has a First Class Honours law degree and a Master of Laws from the University of Melbourne, and was awarded the Spero Wilson Memorial Scholarship for the student placed second on the Final Law Honours List. He is an author of the text Interpretation (2nd ed, 2020), which covers statutory interpretation, constitutional interpretation, the interpretation of private legal documents, interpretation of court orders and the rules of precedent. He has been published in national and international law journals, including in the areas of insurance, arbitration, private international law and constitutional law.