Hanna specialises in employment law and regularly advises on matters relating to personal grievances, disciplinary processes, health and safety, organisational change and restructure processes, parental law, privacy and education law. She has a particular interest in medical incapacity and mental health in the workplace.
Hanna has extensive experience in both the private and public sectors and has acted for some of New Zealand's largest private sector organisations. Hanna has experience in dispute resolution and mediation and has appeared before the Employment Relations Authority and Employment Court.