BSc in English; PhD, University of the Witwatersrand; MA, Oxford. Currently, also: Head, Electrical Power Group, University of Oxford; Director, Institute of Carbon and Energy Reduction; Non-Executive Director: Navetas; Oxford Yasa Motors; conducts research in: domestic, transport and renewable electrical power generation; development of smart feedback metering that provides useful information to enable behaviour change; developing power trains for electric and hydrogen vehicles. Author of over 50 publications and 20 patent and patent applications.