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Geoff Bennett Energy TS energy management services CEO
Geoff Bennett
Chief Executive, director and shareholder



Geoff is one of the co-founders of CarbonEES® and the architect behind its world-leading e-Bench® software. An electrical engineer by training, Geoff ran a successful facilities management consultancy in the United Kingdom before returning to New Zealand to establish CarbonEES® in 2000. Geoff has been a board member of the Energy Management Association of New Zealand and represents New Zealand on the World Energy Council Subcommittee for Markets and Risk Management.

Stuart Brooker Energy TS energy management services Chair
Stuart Brooker
Chair and shareholder



Stuart brings a depth of business management expertise to CarbonEES® and ensures the business meets all its financial and social obligations. The former CEO of international legal publishing company Brookers, Stuart is involved in a number of small and medium enterprises alongside his role of Chair. He has been with CarbonEES® since 2005 when he acquired a shareholding from co-founder Armour Mitchell.

Dennis Rowe Energy TS energy management services Director
Dennis Rowe
Director and shareholder



An experienced business mentor and coach, with involvement in a range of start-ups, Dennis has a background in IT, including as CEO of computing services company CCL Group. Like Stuart, Dennis has been with CarbonEES® since 2005 when he acquired a shareholding from co-founder Armour Mitchell.

Iain Matcham Energy TS energy management services e-Bench expert
Iain Matcham 
Director, shareholder and
e-Bench® lead developer



A shareholder since 2010, Iain has been involved with CarbonEES® since 2001 as a lead developer of its e-Bench® software. Iain runs his own specialised IT company, Jumbletree, which designs science and engineering information systems. He has a background in geographic information systems, predominantly in the science arena, including 10 years as development team leader at GNS Science.

Robb Morison Energy TS energy management services e-Bench manager
Robb Morison
Client data and report manager



Robb is responsible for managing the interface between e-Bench® and our clients and retailers, ensuring data is provided efficiently and accurately and that clients can get value out of e-Bench®. He joined CarbonEES® in 2003 after many years working as a mechanic.

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Kathryn Wright
Administration and accounts



Kathryn joined CarbonEES® in 2014, after an earlier career as an industrial chemist and latterly as a commercial and residential property manager. Kathryn is responsible for the smooth running of the administrative and accounting elements of the business and maintaining and updating the website.

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Don MacKenzie
Data analyst



Don is responsible for data administration in e-Bench®. He is a master’s candidate in Engineering Practice, having completed a Bachelor of Science in Renewable Energy Systems and Statistics. Don joined CarbonEES® in 2022 after working as a Renewable Energy Research Assistant at Victoria University of Wellington.

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Joshua McIvor
Business analyst

Josh is responsible for providing business analysis support to the CarbonEES® operations, analysis support in undertaking Carbon foot-printing studies, as well as undertaking electricity and gas tenders. Josh joined CarbonEES® in 2021 after spending several years in operations and business analysis within the electricity industry.

Tarun Ramanathan
Relationship and marketing manager



Tarun is responsible for managing our client relations to ensure that their energy/sustainability and emission reduction management program is on track. An engineer by training, Tarun joined  CarbonEES® in 2022 after working in the industrial coating field for several years.

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Keith Baloyo
Data analyst



Keith is responsible for data administration in e-Bench®. He is a studying a Bachelor of Software Engineering and is specialising in AI and machine learning. Keith also has a passion for digital design and illustration. He joined CarbonEES® in 2022 whilst completing his studies at Yoobee.

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