Andrew serves as New Buildings Adviser for the Building Energy 2020 Programme, buildings and energy technical assistance programme for C40 cities. Andrew is responsible for providing cities with technical assistance focused on supporting cities with their plans to implement ambitious building energy performance requirements including building energy codes. Prior to joining C40, Andrew was a Sustainability Consultant in London for TÜV SÜD Real Estate, a building services engineering consultancy, working in the building engineering team. Andrew was responsible for designing and implementing energy strategies for a broad range of developments including the delivery of low and zero regulated carbon emission housing developments. In his previous roles he conducted environmental assessments of the built environment which take into account a range of wellbeing and sustainability issues including the impacts of carbon emissions. Andrew is qualified as a domestic energy assessor (DOCEA), BREEAM New Construction Assessor and holds a BSc in Biology from the University of Sussex.