Neil J Hewitt was appointed Professor of Energy in 2008 and is currently Head of School, Belfast School of Architecture and Built Environment, as well as Director of the Centre for Sustainable Technologies at Ulster University. He is a Chartered Physicist and Chartered Engineer and is a member of the Institute of Physics, Institute of Refrigeration and the Energy Institute. Professor Hewitt has secured over GBP 22M of externally funded research and graduated 18 PhD scholars. He is known in the field of heat pumps, both in their development and in their end-use, along with energy storage and demand side management and distributed energy resource management. He has over 150 publications and is a regular invited conference speaker both nationally and abroad. He is a UK representative of the International Institute of Refrigeration Commission B2 Refrigerating Machinery. He is the UK representative of IEA tasks on domestic and industrial heat pumps.