John Gwilliam

Principal & Director

John has been practising in Upper Hutt since 1986 and started his private practice in 1992. His specialisations are litigation in Criminal Law, Family Law and General Civil Law and he has taken cases through the High Court and the Court of Appeal.

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Trina Williams


Trina has worked as senior in-house counsel at various health regulatory authorities in Wellington for the majority of her career. In this role, Trina received nomination for the 2016 young in-house lawyer of the year. In addition to medico-legal and public law advisory work, Trina has an interest in a broad range of private client matters, including criminal, employment and civil work.

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Suné Hume

Legal Executive

Suné is a registered legal executive and affiliate member of the New Zealand institute of legal executive. Suné specializes in residential conveyancing, refinancing mortgages, residential care loans and occupation right agreements.  Suné also has had experience in setting up trusts and drafting enduring powers of attorney and wills.

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Joseph Griffiths

Senior Lawyer

Joseph joined Main Street Legal in early 2018. Admitted to the bar as a barrister and solicitor in 2010, Joseph has predominantly practiced criminal law and has extensive court experience appearing on a wide range of criminal and traffic matters, including appeals to the High Court and Court of Appeal. He has also previously practiced immigration and refugee law and conducted work on a broad range of civil and family matters.

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