Alistair was admitted to practice in 2013 and was called to the Bar in 2019. He has a broad practice, with a primary focus in the areas of commercial law, administrative & public law, equity, corporations, insolvency and regulatory law.

Alistair was previously a solicitor in the commercial litigation and banking teams at Allens, focussing on large-scale commercial litigation in the Supreme Court of New South Wales and Federal Court of Australia.

Alistair has also provided full-time service as a legal officer in the Royal Australian Navy, where he was awarded the Royal Australian Naval College prize for the best overall performer at initial officer training, was a legal adviser to the Commander of the Australian Fleet and lectured in administrative law, international law, operational law and military discipline. He remains an active member of the Naval Reserve.

Despite having only average athletic ability, Alistair has a keen interest in sports law. He is an ad hoc clerk for the Court of Arbitration for Sport and has been involved in a range of sports-related arbitrations, including the Essendon Football Club doping appeal and non-compliance proceedings between the Russian Anti-Doping Authority and the World Anti-Doping Authority. He is a member of the Sydney Hockey Association Judiciary and Investigation Committee.