Our Team
Pioneer Energy's Senior Management Team is responsible for the strategic direction and the day-to-day operations of the company. Covering all aspects of operations, sales, product strategy, management, and finance, the team works together to ensure the continued success of the company.

Fraser Jonker - CEO

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Fraser joined Pioneer Generation as Chief Executive Officer in 2010.  He not only brought his local and international general management experience to Pioneer, but also more than twenty years of experience in electrical engineering, construction, maintenance and asset management.

Fraser is committed to growing Pioneer in a sustainable manner forming sound relationships and prudent business investments.

Jonathan West - Chief Financial Officer

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Jonathan has more than twenty five years’ experience in various finance and operational roles in such diverse industries as pharmaceuticals, marketing, software and e-commerce in the UK, Australia and the US.

With four years in the energy industry with Pioneer Energy as the Chief Operating Officer, Jonathan has, as of January 2019, moved into the familiar role of Chief Financial Officer for Pioneer. He looks forward to continuing his journey with the company in a different capacity and enjoying the wonderful Central Otago location with his family.

Peter Mulvihill - GM Project Development and Delivery

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Peter has a long history with Pioneer Energy and its predecessor company.  With thirty five years’ experience in civil engineering, Peter brings a wealth of knowledge to the business.  Peter has been involved in a wide range of hydro and wind development projects and in the past has been responsible for engineering investigation and conceptual design through to commissioning for these projects.

Peter is also at the forefront of environmental and compliance management.  Peter’s skills are internationally recognised; he is a past Vice President of The International Commission on Large Dams and is also a Fellow of the Institute of Professional Engineers of New Zealand.

Peter McClean - GM Contracting

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Pete has worked in the energy sector for ten years. With an electrical engineering background, Pete worked in Pioneer Energy’s engineering team for a number of years before moving into a more managerial role. A comprehensive background in electricity generation has, in recent years, been expanded by experience in the thermal energy sector.
Pete has spent six years on the board of the Electricity Engineers’ Association (EEA) and represents Pioneer Energy on New Zealand’s electricity generators’ StayLive health and safety initiative.

Donna Callaghan - Manager, Human Resources

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Donna was appointed Human Resources Manager in April 2014.  Working for Pioneer and its predecessor company for over 20 years, Donna has held several roles beginning as Personal Assistant for the CEO through to Chief Financial Officer.  Trained as an accountant, Donna holds a Bachelor of Business Studies.

Yvonne Malcolm - General Manager Assets and Compliance

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Yvonne Malcolm joined Pioneer in 2014 as a Compliance Administrator focusing on health, safety and wellness and Board compliance. 

In 2016, the Safety and Compliance team was established with the mandate to create an internal audit programme, risk management framework and a contractual compliance system. 

In 2019, the scope of the Safety and Compliance team was expanded to include asset management and Yvonne was appointed General Manager Assets and Compliance. Yvonne is also responsible for managing Health, Safety and Wellness, the Internal Auditing programme, Risk, Corporate Compliance, and Brand and Marketing. Furthermore, Yvonne is responsible for the continuous improvement in performance for all Pioneer assets and for ensuring service delivery and contract requirements.