Our people

Mary Ollivier

Commissioner + CEO

Mary Ollivier joined Utilities Disputes as Commissioner and CEO in February 2020.

Mary was previously the Director Regulatory at the New Zealand Law Society and before that the acting Executive Director from January 2018 until April 2019.  

Mary is a lawyer who has worked in law firms in Auckland and Wellington and overseas before joining the Law Society.  

Mary has been involved in legal regulatory matters at an international level and was appointed to the Joint Australia/New Zealand Standards Committee QR-015 to update the ISO standard Guidelines for complaints handling in organisations.

Neil Mallon

Deputy Commissioner

Neil Mallon joined Utilities Disputes as Deputy Commissioner in September 2020.

Neil is a lawyer with extensive experience working with consumer complaints and the regulation of professionals. Neil began his legal career working with banking industry complaints and fraud investigations. He spent time in the UK managing prosecutions and appeals about the conduct of barristers.

Back in New Zealand, Neil led the complaints and prosecutions team at the Teachers Council. He then spent 8 years with the New Zealand Law Society as National Complaints Manager, General Manager Regulatory, and was a member of its executive team.