Antonio advises on a wide range of commercial disputes and has acted for clients in the construction, property, banking and insurance sectors.  He is experienced in complex and large scale litigation, including regulatory investigations and class actions.  In addition to law, Antonio has an honours degree in engineering and has worked at Beca, one of New Zealand’s leading engineering consultancies.  His background allows him to get up to speed on complex matters quickly.

Prior to joining Gilbert Walker, Antonio worked as a Judges’ Clerk at the High Court in Auckland where he assisted on trials concerning trusts, tax and construction. He has since appeared as junior counsel in the High Court and Court of Appeal.

He was awarded scholarships for corporate law and mediation at the University of Auckland and has won several domestic and international advocacy competitions.


  • LLB (Hons) (Auckland) / BE (Hons) (Canterbury)

  • Admitted in New Zealand (2019) and New South Wales (2020)


  • acting for a defendant in a proposed class action regarding the fire performance of buildings clad in aluminium composite panelling

  • acting for a party facing charges laid by WorkSafe following the volcanic eruption in 2019 on Whakaari / White Island

  • acting for Jones Lang LaSalle to claim a substantial commission on leases at Kumeu Film Studios for Hollywood productions

  • acting for a listed dairy company to defend a proposed class action brought on behalf of New Zealand and Australian shareholders

  • acting for an international engineering consultancy in relation to the structural design of a high rise building in Christchurch

  • acting for a listed property developer to claim payment for infrastructure costs arising from a 1000-lot development

  • acting for a bank facing an investigation by the Commerce Commission in relation to consumer credit fees