Executive Management Team


Ken Sutherland
Group Chief Executive Officer

Ken Sutherland has extensive experience and leadership within the utility, infrastructure and electricity sector in New Zealand.

Ken is Chairman of the Board of the Electricity Networks Association and a member of the electricity sector’s Chief Executive Group.  He is also a member of the following organisations; the Business New Zealand Major Companies Group CEO Forum, the Energy Networks Association CEO Forum in Australia, the New Zealand Institute of Chartered Accountants and the New Zealand Institute of Directors.

As Group Chief Executive of the Unison Group, he is Chairman of Unison subsidiaries UnisonFibre Limited, Unison Contracting Services Limited, Unison Insurance Limited, and distribution transformer manufacturer, ETEL Limited.  Ken is also Chairman of ETEL Limited’s Australian domiciled subsidiary, ETEL Transformers Pty Limited.

Ken (360x360)

Greg Morgan
Chief Financial Officer

As Chief Financial Officer at Unison Networks Limited, Greg leads the Corporate Services team including Strategy and Performance, Business Improvement, Finance and Treasury, Procurement and Logistics, and Risk Management.

Greg Morgan has extensive senior management experience across a diverse range of businesses including infrastructure (transmission, distribution, and fibre optic networks), electrical contracting, manufacturing, and captive insurance.

Prior to joining Unison in 2005, Greg was National Grid Management Accountant for Transpower NZ and before that held senior accounting and consultancy positions within Chartered Accounting Public Practice.

Greg is a qualified Chartered Accountant (CA) and member of the Chartered Accountants Australia and New Zealand.

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Jaun Park
General Manager Networks and Operations 

Jaun Park has extensive international experience within the electricity sector, starting his career in South Africa in 1995, where he gained experience in the fields of power quality and power systems engineering. He relocated to New Zealand in 2004 and worked for Vector, before joining Unison in 2006 as Network Development Manager. In 2010 Jaun was appointed to the role of General Manager Networks and Operations.

Jaun is leading the development and management of Unison’s electricity infrastructure assets to ensure that the company can extract maximum value from its assets, today and into a changing energy future.

Jaun holds a Bachelor’s degree in electrical and electronic engineering, and a Master’s degree in electrical engineering. He is a chartered member of the Institute of Professional Engineers of New Zealand and CIGRE, and serves on a number of national working groups.

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Mike McGarvey
Chief Information Officer & General Manager Unison Fibre Limited

Mike McGarvey has worked in the information technology industry for 20 years. During this time, Mike has worked in a number of different areas including financial and information services, manufacturing and FMCG, and general IT engineering.

Prior to his appointment at Unison Networks Limited, Mike held senior IT management positions with Fonterra, Reuters UK and Reuters NZ.  In his role at Fonterra, Mike was responsible for the architecture and development of the company’s main enterprise applications. At Reuters, he managed software development resources in Reuters’ global real-time data development unit, and was responsible for all New Zealand field and data technical service; he was also part of the Australasian technical management team.

Mike holds a Master of Business Administration (MBA) from Henley Management College in London.

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Nathan Strong
General Manager Business Assurance

Nathan Strong has over fifteen years’ experience in electricity regulation. An economist by trade, Nathan managed Regulatory Affairs for Vector Limited for five years before joining Unison in 2010.

Prior to that, Nathan was a consultant with Charles River Associates where he provided advice on distribution pricing, contractual frameworks for load management, and other electricity industry-related projects. These projects included transmission pricing methodologies, capacity markets and economic regulation of electricity distributors.

Nathan’s background in economics has included reviewing competitiveness in markets. He spent two years with the Commerce Commission where he worked on several merger applications and market power investigations, including the demise of electricity retailer, On Energy, in 2001.

Nathan oversees Unison Networks Limited’s legal, network pricing and regulatory management activities. In addition, he holds or has held a number of industry roles including a Member of the Electricity Authority’s Retail Advisory Group, (two terms from 2011 to 2016) is a current Member of the Security and Reliability Council, Chairs the Electricity Networks Association’s (ENA’s) Regulatory Working Group and is a Member of the ENA’s Distribution Pricing Working Group.

Nathan holds a Bachelor of Commerce and Administration (Hons) from Victoria University in Wellington.

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Len Gould
General Manager Commercial

Len Gould has over 35 years of High Voltage Transmission industry experience, having held a number of senior roles with Transpower and its predecessors. He has also provided technical and commercial consulting services to the electricity industry in New Zealand.

Len has a strong technical background, developed through two decades of involvement in network planning activities for both the North and South Islands of New Zealand.

Prior to Unison Networks Limited, Len spent three years in a private consultancy company. Len’s most recent role at Transpower was as the Customer Services Manager, which he held for nine years, and was  responsible for all commercial activities including customer relationship management, new customer connections, transmission services contract management and transmission pricing.

Len was appointed to General Manager of Commercial, in December 2012, where he is responsible for all commercial activities, including customer relationship management, marketing and communication, new customer connections, business development, commercialisation of smart grid products and services and facilities management of Centralines.

Len holds a New Zealand Certificate in Electrical Engineering.

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Quentin Varcoe
General Manager People and Culture

Quentin Varcoe is Unison’s General Manager of People and Culture which sees him leading the Human Resources, Health and Safety and Training teams.

He has extensive combined experience in the energy and legal sectors, having completed a Bachelor of Laws (LLB) at Victoria University in Wellington after working as a qualified Electrical Inspector.

His practising licence as a barrister and solicitor lead to employment in insurance litigation in Wellington, before working for the Government where he looked after disciplinary management of New Zealand electrical workers with the Electrical Workers Registration Board – which subsequently saw him as a member of this Board.

Quentin joined Unison in 2009 where he has held various roles including Legal Counsel, Works Performance Manager and General Manager of Operations for Unison Contracting Services, before commencing his current role in 2017.

Outside of work Quentin’s passion lies with his family, spending time at the beach and cray fishing with his four young kids.

QV (360x360)

Toby Davis
Chief Executive Unison Contracting Services Limited

Toby Davis has over 20 years of senior management experience spanning several industries including infrastructure management (electricity distribution and contracting), construction, logistics and technology sectors, both within New Zealand and internationally.

After an extended period in the United States, Toby joined Unison in 2011 as Procurement and Logistics Manager where he was responsible for managing Unison’s key relationships with suppliers, as well as managing the company’s logistics requirements. This was followed by four years as Operations Manager for Unison Contracting Services in Hawke’s Bay, and as Chief of Operations for Unison Contracting Services from 2017.

Toby was appointed to the role of Chief Executive, Unison Contracting Services in 2019, where he is responsible for ensuring that the business provides a cost effective, safe and reliable in-house service to Unison through the provision of services including design, project management, electrical, vegetation and civil works.

Toby holds a Bachelor of Commerce degree (Operations Management) from the University of Otago.

Toby (360x360)