João Luiz Afonso was born in Rio de Janeiro, Brazil, in 1963. He received the B.S. and M.Sc. degrees in electrical engineering from the Federal University of Rio de Janeiro in 1986 and 1991, respectively, and the Ph.D. degree in industrial electronics from the University of Minho, Guimarães, Portugal, in 2000.
Since 1993, he has been with the Department of Industrial Electronics, University of Minho, where he is Associate Professor. He teaches electrical machines, electrical energy systems, complements of power electronics, electrical power quality, active power ﬁlters, and renewable energy. He is a researcher with the Group of Energy and Power Electronics (GEPE) of the Centro Algoritmi, University of Minho. His research interests include the development of active power ﬁlters, power quality analyzers, power electronics for renewable energy sources and electric vehicles, power quality, and energy efﬁciency.