Sonja Cooper

LLB (Hons), BA, GDipBusStud (Dispute Resolution)


Sonja Cooper

Sonja is the principal of Cooper Legal. Starting her career as a family lawyer and a Youth Advocate (a lawyer working with young offenders), Sonja has undertaken a wide range of litigation work, including employment law, medico-legal work, privacy law, accident compensation work and general civil litigation. Sonja has appeared in all levels of the Courts, including the Supreme Court.

Sonja and her team are part of a small group of lawyers who are developing the law in historic abuse claims. Sonja has a strong focus on human rights issues, access to justice and the resolution of disputes. In that context, Sonja was a District Inspector of Mental Health for nine years. Sonja has also been a member of the New Zealand Youth Justice Committee for some years, as well as local Law Society Committees.

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Amanda Hill




Amanda started out her legal career with Cooper Legal between 2005 and 2008 before leaving to undertake a range of litigation work in a medium size commercial firm. She also spent some time as an in-house employment law advisor.

She rejoined Cooper Legal in August 2014 as a Senior Associate.

Amanda works on the historic abuse claims, privacy and human rights issues and employment problems. She is experienced in commercial and contract disputes. Amanda has regularly acted for employee and employers in personal grievance mediations and has appeared in the District and High Courts. She is a Legal Aid Lead Provider for civil litigation and also takes private instructions for all of these issues.

Toni Knipping

After completing her studies towards an LLB and a BA in International Relations and Political Science at Victoria University of Wellington, Toni joined Cooper Legal in August 2015.

During her time at university, Toni volunteered as an Employment Advocate at the Wellington Workers’ Rights Service.

In her spare time, Toni enjoys being with friends and family, reading, and travelling overseas.  

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Administrative Staff

Legal Assistants


Alice Gavey and Rochelle Harrow will be the first port of call for new and existing clients and are able to answer most queries, and refer calls to solicitors or other firms, if necessary.

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Email Rochelle