Executive Leadership Team

Our Executive Leadership Team directs the day-to-day operation of the company.

John Clarke – Acting Chief Executive


John was appointed Acting Chief Executive from 1 July 2024. John has been the General Manager Grid Development from 2020, following a period as General Manager Operations which he held from 2014. He was General Manager Grid Development from 2008 to 2014 and had previously spent 10 years in senior roles within our System Operator division. His earlier career in the New Zealand electricity sector has included roles in distribution and electrical engineering consulting. John holds a BE in Electrical Engineering.

Brighid Kelly - Executive General Manager People


Brighid joined Transpower in March 2018 and was previously General Manager People at Tourism New Zealand. Prior to this, she held senior executive and line management positions at Te Papa, Telecom, BNZ and Fletcher Challenge Forests. Brighid brings diverse industry and functional experience across a number of sectors, and has helped transform several organisations to successfully meet their future challenges. 


Raewyn Moss - Executive General Manager Customer and External Affairs


Raewyn was appointed General Manager External Affairs in 2018, having previously headed the Transformation and Auckland Strategy division. Raewyn has a background in environmental, regulatory and relationship management, and has worked in consultancy within industry and for a regulator. She has worked in the electricity sector for 20 years, both at Transpower and Meridian Energy. She holds a BSc from Victoria University and a Diploma in Business from Henley Management College.

Cobus Nel - Executive General Manager Information Services & Technology


Cobus joined Transpower in 2011, and has held senior roles including IST Strategy and Architecture Manager. Prior to joining Transpower, Cobus was the Network Solutions Manager at Alcatel-Lucent and the Technical Lead for Transpower’s Telecommunications and Networking Programme. Cobus has experience in defence, enterprise, telecommunications and utilities organisations. He holds a Master's degree in Project Management and Engineering (Electronics) from the University of Pretoria.


Mark Ryall - Executive General Manager Grid Delivery


Mark has been with Transpower since 2006, working in a variety of senior roles, including Regional Service Delivery Manager for the Upper North Island, before moving into general management. Previously, Mark worked in project management and consultant roles in New Zealand and the United Kingdom. Further to his degree from Lincoln University, Mark completed the University of Virginia Darden School of Business Executive Programme.

Catherine Shaw - Chief Financial Officer


Catherine was appointed Chief Financial Officer in February 2022. She joined Transpower from Todd Corporation where she held the role of Group Manager, Treasury, Tax and Insurance and was also a director of Todd Generation Taranaki. Prior to joining Todd, Catherine spent six years as a Partner at EY. Catherine holds a BCom and an LLB from the University of Otago and is a Fellow Chartered Accountant (FCA).

Chantelle Bramley - Executive General Manager Operations


Chantelle was appointed Executive General Manager Operations in February 2024 after joining Transpower as General Manager Strategy and Customer in July 2022. 

Prior to joining Transpower, Chantelle was Executive General Manager of Corporate Affairs at Essential Energy, a state-owned distribution network owner and operator in New South Wales. An economist by training with more than fifteen years of international energy and electricity experience, Chantelle was the Executive General Manager Strategy and Economics at the Australia Energy Market Commission prior to joining Essential Energy.

David Knight - Executive General Manager Strategy, Regulation and Governance


David was appointed General Counsel and Company Secretary in August 2007, the role took on additional responsibilities and was renamed in February 2024. Prior to joining Transpower, David was General Counsel at Telecom NZ. David holds an LLB (Hons) from the University of Auckland, and an LLM from Harvard Law School which he attended as a Fulbright scholar. Prior to his career in law, David was involved in the wine industry, including periods as a winemaker, wine merchant and wine judge.