Ahmed Rezk is a Reader in Thermal-Fluid Sciences in the School of Mechanical Engineering at Aston University. He is also a Principal Investigator at the Energy and Bioproducts Research Institute (EBRI), where he leads sustainable process research at the Engineering for Sustainable Development Centre. He earned a B.Sc. in mechanical engineering and a M.Sc. in centrifugal chillers, both from the Alexandria University, and a Ph.D. in adsorption cooling systems from the University of Birmingham. His research interests include sustainable and renewable-powered cooling technologies, thermal energy storage and upgrading, heat pumps and refrigeration, heat recovery systems design and optimisation, and emerging quantum cooling technologies.