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Meet the Executive Directors

A unique combination of solar technology and power markets expertise

Walking the Talk

Here at Utilise we walk the talk. We are investors in new energy and also help others do the same. If a business would rather put its capital into what it does best, through the New Zealand Sustainability Fund, we will fund it ourselves, usually with both emissions and financial savings for our clients. This is key. We are not consultants without skin in the game. If it is something we recommend for our clients we are prepared to do it ourselves.


Quite simply we believe that finding ways to enable businesses to move to cleaner energy and obtain cost savings, with or without their own capital outlay, is the right thing to do.

Meet Our Board

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Don Francis

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Simon Young, Executive Director

Simon has wide experience across the electricity industry. He has expertise in electricity markets, and building businesses that shine for their customers.

Simon has more than 20 years experience in the New Zealand electricity industry where he has worked throughout the value chain, from start-up to sale, from lines to generation and retail. 

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Ashley Jones

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Roy Maddox, Executive Director

Roy has wide experience across the solar industry. He has expertise in solar technology, innovation, and building businesses that shine for their customers.

Roy has more than 10 years experience in the New Zealand solar industry, primarily as founder and Managing Director of SolarKing, where he has worked on installing over 2,000 solar systems nationwide.

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Tess Brown

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Greg Trounson, Non-Executive Director

After his early career in the oil industry Greg now pursues more climate-friendly interests. On returning to NZ he become a founding shareholder of NZX-listed Vista Group, taking on roles in software technical design and compliance. .

He was an early adopter of electric vehicles in 2014 and the years that followed. 

Greg holds a Bachelors Degree in Science (Maths and Physics) and a Masters Degree in Science (Physics) from the University of Auckland.

Some of Our Clients

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