Diogo Varajão received the M.Sc. degree in Electrical and Computer Engineering from the Faculty of Engineering of the University of Porto (FEUP), Portugal, in 2012. Since then he has been a researcher at the Smart Grids and Electric Vehicles Laboratory of INESC-TEC where he work in research projects in partnership with industry. He is also working toward the Ph.D. degree with the development of a Single-stage Bidirectional and Isolated AC-DC Matrix Converter for Energy Storage Systems. An international patent application under the PCT has already been filled regarding the invented technology. His research interests include the application of matrix converters to increase the power density and efficiency of battery chargers for electric vehicles and energy storage.