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Leadership Team

Trustpower’s leadership team leads over 700 staff in New Zealand and Australia. Our senior managers bring together extensive skills and experience, gained in the power and other sectors, all around the world.

David Prentice BEng (HONS), PhD, FEngNZ

Chief Executive


David is our Chief Executive and was appointed in Jan 2020 in an acting capacity following the departure of the previous CEO, Vince Hawksworth. Originally from Scotland, David moved to New Zealand in 1997 and initially worked as an engineer with Opus International Consultants. Following a number of different roles within Opus, David was appointed Chief Executive and Managing Director in 2010. Opus was an NZX listed global infrastructure professional services company employing around 3000 people in 80 offices. He also served on the Board of Directors for Opus as a non-independent and executive board member. Most recently, David was the Chair of the Interim Committee for Climate Change – an independent organisation tasked with providing analysis and recommendations to Government regarding emissions from agriculture and electricity generation. David graduated from the University of Edinburgh with a Bachelor of Engineering (Hons) degree and a PhD in Engineering. He was Chairman of Business New Zealand’s Infrastructure sub-group for 5 years, is a member of the Institute of Directors, and a Fellow of Engineering New Zealand. David was also appointed as Chair of Martin Jenkins in Dec 2019.

Peter Calderwood

Peter Calderwood BE (HONS), ME, MIPENZ


Peter joined Trustpower’s predecessor, the Tauranga Electric Power Board in 1987 and has held senior management roles within Trustpower since 1988. In his present role he is responsible for company strategy development and regulatory affairs. Peter also is responsible for Trustpower’s growing Australian business. Peter is a registered engineer (Auckland University, First Class Honours) with a Master of Engineering. He’s a member of the Institute of Professional Engineers of New Zealand.


Stephen Fraser BE Chem. Eng. (HONS), MBA, MBus. Law


Stephen has recently joined Trustpower, coming from Shell International in various international locations where he held commercial management roles in their upstream business, contracting & procurement manager in the downstream business, involved in a number of major greenfield capital projects. Had previously worked in New Zealand as Service Delivery Manager (electricity networks) for a New Zealand lines company. In his present role he is responsible for the Generation business. Stephen holds qualifications in Chemical & Process Engineering (Canterbury University, Honors); Master of Business Administration (University of Western Australia); and a Master of Business Law (Sydney University Law School).

Craig Neustroski

Craig Neustroski BE (Elect), Dip. Bus, MInstD


Craig leads Trustpower’s sales and marketing teams responsible for procurement & product management, pricing, marketing, customer analytics and competitive strategy. Craig has extensive energy executive experience and has previously held the roles of National Sales Manager and General Manager Trading at Trustpower. Craig has a Degree in Electrical Engineering from Canterbury and a Diploma in Business and he is a member of the NZ Institute of Directors.


Kevin Palmer BMS, PGCert(Mgt), CA, CMInstD


Kevin started at Trustpower in 2007 after previous experience as Chief Financial Officer in an electricity lines distribution company. Kevin is responsible for overseeing the finance and company secretary functions. In these roles he is responsible for providing strategic financial support to the Company and managing the operations of the capital raising, investor relations, finance function that includes over $500 million of debt funding facilities, financial reporting and financial transaction processing. Kevin is a Chartered Accountant (CA) and has a total of over 20 years of experience in the electricity industry.


Fiona Smith

General Manager Customer Operations

Fiona joined Trustpower in 1996. Holding a number of senior roles at Trustpower, her career has focused on leading and implementing change that supports our multi utility proposition and values our customer’s experience. In her present role, Fiona is responsible for the Customer Operations business; this encompasses almost all customer touch points and includes meter reading, provisioning, billing, collections and our Contact Centre. Excited by the prospect of leading change across the constant emergence of new technology Fiona is focused on leveraging data, technology and good old-fashioned service to ensure her teams meet the changing needs of our customers. Fiona is a member of the NZ Institute of Directors, has spent two years on the board of the local Chamber of Commerce and sits on a number of external working parties within both the Telco and Electricity Industries.