Key Personnel


Ben Thomson – Divisional Manager & Senior Energy Engineer

Ben is the Divisional Manager/Senior Energy Engineer at Enercon and has been working in the energy industry since 2013. Ben is a Chartered Member of Engineering New Zealand (CMEngNZ) and an EMANZ EnergyMasters Accredited Energy Auditor.

Ben is based in Wellington and specialises in commercial and industrial energy audits, energy management & strategy and energy procurement. He has strong technical skills in optimisation of HVAC systems, process heat, refrigeration, compressed air, lighting, controls and other energy intensive equipment and processes. During his career, Ben has had significant success and proven results in implementing practical energy management solutions in a wide range of industries and businesses throughout New Zealand.

Ben graduated from the University of Otago with first class honours in Energy Management in 2012.



Sam Roose – Principal Energy Engineer

Sam is the Principal Energy Engineer at Enercon and has worked in energy management and energy efficient design since 2003. Sam has a BBSc (1st Class Hons) in Building Science and is an EMANZ EnergyMasters Accredited Energy Auditor, NABERSNZ Trainee Assessor and a Certified Measurement and Verification Professional (CMVP)

Sam specializes in design audits including energy modelling, analysis and optimisation of building fabric and HVAC systems. He has previously worked as an energy auditor/engineer in Wellington and as an environmental analyst for building designs in London, ranging from state of the art residential designs to large-scale international buildings and complexes. Other areas of focus include feasibility studies for fuel conversions and optimisation of Building Management Systems.



Kees Brinkman – Principal Consultant

Kees is the Principal Consultant at Enercon and is responsible for consultancy services nationwide. Kees has a B.E. and M.Sc. in Mechanical Engineering, is a member of IPENZ and ASHRAE, and has 40 years experience in design and energy consulting.

During his career, Kees has worked as a HVAC design engineer, energy consultant, project manager and principal design engineer for multi-million dollar projects in the USA and as Energy Manager for the Christchurch City Council.

Kees received the Energy Wise Award in 2000 from EECA for his role as the Energy Manager at the Christchurch City Council. He was also one of the first group of EMANZ EnergyMasters Accredited Energy Auditors in New Zealand.


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Alelign (Alex) Gessese  – Senior Energy Engineer

Alelign is an Energy Masters Accredited Energy Auditor and Process Heat Specialist who has been working in the industry for more than 6 years. He specialises primarily in commercial and industrial energy auditing, process heat system design, design reviews, feasibility studies, and energy systems optimization.

Alelign graduated from University of Canterbury with a Doctor of Philosophy in Mechanical Engineering and has ample experience in scientific research and publication. He has also graduated with Masters in Thermal Engineering from overseas in 2007. Currently Alelign is an affiliate member of IPENZ.

Alelign has worked with vegetable processing plants, meat processing plants, concrete curing plants, Christchurch Airport, sheep skin processing, and seed drying plants throughout New Zealand on a number of projects including system design, feasibility studies, energy auditing, and implementation of energy efficiency initiatives.



Simon Yip – Energy Engineer

Simon joined Enercon in 2016 and has been involved a both commercial and industrial energy audits, electricity tenders, energy management and data analysis. Simon is an EMANZ Accredited Commercial Building Energy Specialist (HVAC) and Energy & Carbon Manager Professional.

As part of the team that designed and built the world's first fully-recyclable plastic car, Simon represented New Zealand at the 2017 Shell Eco-Marathon Asia; a competition focused on energy efficiency. Simon has experience with energy efficient design, having built an electric car that achieved 105 km/kWh. 

Simon has a Bachelor of Engineering with Honours (Mechanical) from the University of Canterbury.


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Ben Thomson

Divisional Manager

+64 27 202 6576