Jonathon is a senior barrister at Banco Chambers (Sydney) and Maxwell Chambers (Singapore). He maintains a broad practice within Australia and the Asia-Pacific encompassing advice and appearance work in high-value commercial disputes and class actions, international arbitration, insurance, public law, regulatory matters and commissions of inquiry. He is regularly retained by leading law firms and large corporate clients to conduct cases throughout Australia at first instance and on appeal, and internationally, including in arbitrations seated in Singapore, London and New York.

He has substantial experience in international law. He is vice president of the Australian Centre for International Commercial Arbitration (ACICA), the peak arbitral body in Australia, which he has represented in several interventions in the High Court of Australia. He acts as an arbitrator and is a designated panel arbitrator for NBN Co and the Australian Energy Regulator.

He is qualified and experienced in Australian English and US law. He holds an LLM (Harvard, Gammon fellow) and a BCL (Oxon, Magdalen College, distinction). He was a fellow of the Lauterpacht Centre for International Law, Cambridge, 2012.

Prior to joining the Bar, he was a senior associate at Sullivan & Cromwell LLP in New York (1999 to 2005).