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David joined Delta-ee in 2017 and manages the Customer Data Value advisory service, which helps our clients navigate this complex and dynamic area to become more customer centric.  He is focused on helping energy businesses identify how customer understanding and data can drive positive change and value. David is a specialist in consumer insight and data, and its application to business intelligence, proposition development, customer experience and marketing strategy.

He draws from experience in multiple sectors, including most recently 5 years at Centrica as a consumer insight lead, adding significant value to customer and business alike. David holds an MBA with distinction from the Bradford University School of Management.


Charmaine is the Principal Analyst for Delta-ee’s New Energy Business Model Service. With over 15 years’ experience in consultancy and energy  companies, she has particular experience with  product and service innovation in the renewable energy sector.  Prior to joining Delta in July 2017, she spent 5 years at a small UK supplier, growing product lines and sales channels.

Charmaine holds an Honours degree in Geography from the University of Cambridge.

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Matthew’s primary role is to provide support to a wide range of consulting projects related to various distributed energy topics: from heat-pumps, to fuels cells, to biomass heat and energy generation. In addition to consultancy work, Matthew is a core part of Delta’s microgrids research team. He is based at Delta Energy and Environment’s new Cambridge office.

Matthew holds an MPhil in Engineering for Sustainable Development (distinction) from the University of Cambridge as well as MSc(Eng) in Chemical Engineering from the University of Cape Town. His undergraduate degree was in Chemical Engineering (distinction) also from the University of Cape Town. Matthew is a registered member of the UK Energy Institute and UK Society of Environmental Engineers.

Tom supports a wide range of research and consulting projects on various low carbon technologies and markets. Prior to joining Delta-ee, he worked for Teach First and ChinaDialogue.

Tom holds an MSc (Distinction) in Ecological Economics from the University of Edinburgh, for which he was awarded Best Overall Contribution to the Programme. He studied Politics, Philosophy and Economics at Manchester University for his undergraduate degree.

Kathryn’s role as Marketing Executive involves a range of tasks across the business including: website development, event planning, content creation, quality control and running the company's social media accounts. If it's related to marketing, she's probably involved!

Prior to working for Delta-ee, Kathryn worked in higher education and the serviced office industry. She holds a BA (Hons) in English Literature from the University of Portsmouth and is currently studying for a CIM Digital Diploma in Professional Marketing.

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