CEP Board members
Jason Bretherton
Chair
Jason is an Electrical Engineer with a Post Graduate Diploma in Management. He has worked as an engineering consultant in the building services industry in New Zealand and overseas for more than 25 years. In his current role as a Technical Director at WSP based in Christchurch, Jason provides technical leadership, high level concept design advice and undertakes critical review across a diverse range of projects. He has a passion for energy efficiency and sustainability and strives to deliver a high degree of integration by applying a whole-of-life approach.
Jason joined the Board in September 2021 and appointed Vice Chair in July 2023. In March 2025 Jason became Chair.
Eugene Robson
Vice Chair
Eugene is a Senior Engineer at DETA Consulting, providing tailored energy and carbon reduction advice to a wide range of industrial and commercial clients across New Zealand, Australia and the Pacific Islands. He has worked in the industry since 2011, is a Chartered Professional Engineer and holds a BE(Hons) in Mechanical Engineering.
Eugene is based in Tauranga and joined the CEP Board in July 2023.
Yvonne Gilmore
Treasurer
Yvonne has worked in utilities management both internationally and locally for more years than she likes to admit. She believes strongly in sustainability and leaving a smaller footprint on the planet. Yvonne is an independent consultant based in Christchurch.
Yvonne joined the Board in May 2017, and was appointed Chair from June 2018 until June 2021.
Marta Karlik-Neale
Marta is a climate change adviser with degrees in Economics, Environmental Science and Communications. She is a Principal Adviser at Nelson City Council and has held roles including Technical Director for Carbon Accounting and Climate Mitigation at Tonkin + Taylor and Environmental Manager at Port Nelson. With 25 years’ experience, she has advanced greenhouse gas (GHG) management across public and private sectors, developing some of New Zealand’s first organisational and community GHG accounts and emissions reduction plans, as well as the Southern Hemisphere’s first Scope 3 inventory aligned with the Corporate Value Chain Standard. She also supports climate risk assessments and resilience strategies.
Marta joined the Board in March 2026.
Don MacKenzie
Don is the Sustainability and Business Operations Manager at CarbonEES. He is based in Wellington and has worked with central and local government authorities, banks, and research institutes on producing GHG inventories and decarbonisation strategies. He has a strong passion for measuring and reducing emissions, measuring his own emissions since January 2024.
Don joined the CEP board in December 2023.
Kevin McGrath
Kevin is a Mechanical Engineer with a Diploma in Energy Management and the Director of Power Solutions Ltd, a company that has provided energy management services for over 30 years also specialising in electrical engineering design and street lighting network management. He advices extensively to central and local government, and the commercial and industrial public sector, and relishes partnering with key people to make an on-going difference.
Kevin joined the Board in May 2016, left for an 18-month sabbatical in late 2024 and is now back in 2026 to help grow CEP.
Lincoln Watson
Lincoln is the CEO at BraveGen. BraveGen work with over 240 customers in a range of industries around New Zealand, Australia and the Pacific. The team have been providing energy management services for 25 years and now monitor over 3,000 buildings to cut the cost and carbon in the built environment, and achieve better building performance ratings. In addition, BraveGen’s Enterprise Carbon Accounting Software and Services are used by many of New Zealand’s leading brands to measure, report and reduce their emissions under New Zealand’s CRD regime, and ASRS and NGERS in Australia.
Lincoln joined the CEP board in March 2026.