Dr Donal Brown is an experienced business owner, researcher and consultant with 15 years professional background in the low carbon housing and renewable energy sectors. Donal is Research Fellow at the Science Policy Research Unit (SPRU), University of Sussex and is Director of the low carbon architecture firm and consultancy – Sustainable Design Collective. A sustainable housing, energy and energy demand specialist, Donal has provided policy consultancy on housing, retrofit and renewable energy policy to the Welsh Government and UK Labour Party, and chairs the Board of Directors of the retrofit charity Retrofitworks. Donal has a First class BSc in Environmental Science, Distinction in Climate Change and Policy MSc and a PhD in Business and Finance Models for Domestic Retrofit from the Science Policy Research Unit (SPRU), at the Unv. of Sussex. Donal has published 13 peer reviewed journal articles, edited book chapters and produced numerous reports across multiple UKRI and EU Commission research projects.