Simpson Grierson has announced the appointment of four new senior associates.

Mark Allen is a commercial property expert with broad experience across a range of commercial property, property development, commercial and contract matters. He has advised on projects for major corporate clients utilising his contract management and negotiation skills.

Natalie Miller specialises in commercial litigation. Her areas of expertise include commercial and civil disputes, with a particular focus on debt recovery, commercial lease enforcement/disputes and enforcing contracts.

Sarah Mitchell works in the local government and environment group. She advises a wide range of corporate clients, local authorities and CCOs, on resource management and local government legal issues.

Rob O'Connor is a local government and environment expert. He regularly appears in the Environment Court and has also appeared in the High Court. Rob has international experience working in the United Kingdom planning system in both the public and private sectors.