Walid Issa received his B.Sc. and M.Sc. degrees in electrical engineering from the Islamic University of Gaza (IUG), Palestine, in 2007 and 2011, respectively; and his PhD in Renewable Energy from the University of Exeter, United Kingdom in 2015. He joined Sheffield Hallam University in 2016 as a lecturer. He is currently working as an Associate Professor in Power Electronics. His main research interests include power electronics applications in transportation, smart grids and energy systems. He is a reviewer for several IEEE Transactions, IET and Elsevier journals.