Leon holds a Bachelor of Commerce and a Bachelor of Laws (Honours) degree from the University of Sydney.
He is admitted to practise as a solicitor of the Supreme Court of NSW, the Supreme Court of South Australia, the Federal Court of Australia and the High Court of Australia.
He is a Fellow of the Chartered Institute of Arbitrators and of ACICA.
Leon is a partner at Herbert Smith Freehills in the Disputes Group. He is an experienced and highly regarded litigator and arbitrator. His practice encompasses commercial disputes, regulatory investigations and inquiries, international arbitration and disputes and providing crisis and risk management and strategic advice to Boards. Leon has advised and acted across a number of industries for global clients.
He has particular expertise in alternative dispute resolution processes including international arbitration, expert determination and mediation; in international investments and cross-border transactions including FTAs and investment treaties; and in corporate responsibility compliance with anti-foreign corruption and sanction regimes.
Leon is consistently ranked as a leading commercial litigator and arbitrator. Most recently he was listed in Best Lawyers Australia as a leading lawyer in Disputes, Alternative Disputes Resolution and Regulatory Practice and in Doyle’s Guide as a Pre-Eminent Arbitration Lawyer. He was also named in Global Arbitration Review’s Who’s Who’s Legal: Arbitration – Future Leaders 2017 and 2018 and Asia Pacific Legal 500.
Leon is a Councillor and Vice-President of CIArb Australia and a director of the Australian Centre for International Commercial Arbitration, which are Australia's leading dispute resolution bodies.